References

@misc{Ethic_eng
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  title = "American Academy of Water Resources Engineers Code of Ethics",
  year = 2016,
  url = "http://www.aawre.org/"}
 
@misc{Ethics_intro,
  author = "Encyclopedia of science,technology and ethics",
  title = "Deontology",
  year = 2014,
  url = "http://udel.edu/~tpowers/papers/deontology2.pdf"}
 
@misc{Ultrasonic_sensor,
  author = "Baumer",
  title = "Operation and design of ultrasonic sensors",
  year = 2016,
  url = "http://www.baumer.com/es-en/services/user-knowledge/ultrasonic-sensors/functionality/"}
 
@misc{Amount_of_fresh water,
  author = "wikiHow",
  title = "Amount of fresh water on Earth",
  year = 2015,
  url = "http://www.wikihow.com/Desalinate-Water"}
@misc{Population_report
  author = United Nations
  year = 2015,
  url = "http://www.un.org/en/development/desa/news/population/2015-report.html"}
@misc{Risk,
  author = "Buisiness Dictionary ",
  title = "risk management ",
  year = 2015,
  url = "http://www.businessdictionary.com/definition/risk-management.html"}
 
  @misc{Water_desalination,
  author = "Bright hub engineering ",
  title = "How Desalination by Multi-stage Flash Distillation Works ",
  year = 2012,
  url = "http://www.brighthubengineering.com/power-plants/29623-how-desalination-by-multi-stage-flash-distillation-works/"}
 
  @misc{Plant_in_Dubai,
  author = "Time ",
  title = "This Plant in Dubai Makes Half a Billion Gallons of Fresh Water a Day ",
  year = 2015,
  url = "http://time.com/3625511/this-plant-in-dubai-makes-half-a-billion-gallons-of-fresh-water-a-day/"}
 
  @misc{Effect_distillation,
  author = "Entropi veolia ",
  title = "Multiple Effect Distillation  ",
  year = 2014,
  url = "http://www.entropie.com/en/services/desalination/MED/"}
 
  @misc{Taijin_destillation,
  author = "WATER & WASTEWATER INTERNATIONAL ",
  title = "Cambodian water authority wins Stockholm Industry Water Award  ",
  year = 2016,
  url = "http://www.waterworld.com/articles/wwi/print/volume-25/issue-3/regulars/worldwide-news/asia-pacific.html"}
 
  @misc{Vapor_comprension,
  author = " ",
  title = "Vapor compresion",
  year = ,
  url = "http://www.cityoflaredo.com/city-council/council-activities/council-minutes/2007Min/M2007-W-10_files/image004.gif"}
 
  @misc{Sidney_destiilation_plant,
  author = "Sidney destiilation plant ",
  title = "Infrastructure",
  year = 2014,
  url = "http://www.sydneydesal.com.au/how-we-do-it/infrastructure"}
 
  @misc{Reverse_osmosis,
  author = "Reverse osmosis ",
  title = "Infrastructure",
  year = 2014,
  url = "http://www.sydneydesal.com.au/how-we-do-it/infrastructure"}
 
  @misc{How_desalinate,
  author = "WIKI HOW ",
  title = "How to Desalinate Water",
  year = 2016,
  url = "http://www.wikihow.com/Desalinate-Water"}
 
  @misc{Sustainable_sanation,
  author = "Sustainable sanitation and water management ",
  title = "Desalination",
  year = 2012,
  url = "http://www.sswm.info/content/desalination"}
 
  @misc{Desaliation_numbers,
  author = "International desalination association ",
  title = "Desalination by the Numbers ",
  year = 2016,
  url = "http://www.businessdictionary.com/definition/risk-management.html"}
 
  @misc{Procurement_management,
  author = "Deltabid ",
  title = "Procurement Management ",
  year = 2016,
  url = "https://www.deltabid.com/procurement-management/"}
 
@misc{Stakeholder_Analysis,
  author = "Program management ",
  title = "Stakeholder Analysis Template ",
  year = 2010,
  url = "http://www.expertprogrammanagement.com/2010/06/stakeholder-analysis-template/"}
 
@misc{Environmental,
  author = "Berit Anderson  ",
  title = "A Guide to Environmental Stewardship ",
  year = 2013,
  url = "http://www.apu.edu/live_data/files/273/guide_to_environmental_stewarship_at_apu.pdf"}
 
@misc{Economical,
  author = "Jawahir, I S ",
  title = "Sustainable Manufacturing ",
  year = 2008,
  url = "http://www.ncsl.org/Portals/1/Documents/employ/Jawahir-Manuf.pdf"}
 
@misc{Sustainability_main_elements,
  author = "Redefining progress ",
  title = "About Sustainability Indicators",
  year = 2014,
  url = "http://rprogress.org/sustainability_indicators/about_sustainability_indicators.htm"}
 
@misc{Desing_for_Disassembly,
  author = "Guy, Brad Ciarimboli, Nicholas ",
  title = "Desing for Disassembly",
  year = 2006,
  url = "https://your.kingcounty.gov/solidwaste/greenbuilding/documents/Design_for_Disassembly-guide.pdf"}
 
@misc{Design_for_Assembly,
  author = "Stienstra, David ",
  title = "Design for Assembly",
  year = 2006,
  url = "http://me.gatech.edu/files/capstone/L071ME4182DFA"}
@misc{Social_Sustainability,
  author = "Business Dictionary",
  title = "Social Sustainability",
  year = 2015,
  url = "http://www.businessdictionary.com/definition/social-sustainability.html"}
 
@misc{PMMA_Sustainability,
  author = "PMMA-online",
  title = "PMMA sustainability",
  year = 2016,
  url = "http://www.pmma-online.eu/sustainability"}
 
@misc{PVC_Sustainability,
  author = "PVC",
  title = "PVC sustainability",
  year = 2010,
  url = "http://www.pvc.org/en/p/sustainability"}
 
@misc{Slate,
  author = "EMPRESA DE LOUSAS DE VALONGO",
  title = "Slate",
  year = 2016,
  url = "http://www.valongoslate.com/en/material-de-construcao-civil"}
 
@misc{Glue_molding_materials,
  author = "Sustainable graphic design",
  title = "Glue the sustainable designers quick guide",
  year = 2011,
  url = "http://sustainable-graphic-design.blogspot.pt/2011/08/glue-sustainable-designers-quick-guide.html"}
 
@misc{PMMA_glass,
  author = "Escuela ingienerias industriales",
  title = "Vidrios orgánicos",
  year = 2002,
  url = "http://www.eis.uva.es/~macromol/curso03-04/construccion/vidrios.html"}
 
@misc{Copper_properties ,
  author = "Lenntech",
  title = "Propiedades químicas del Cobre - Efectos del Cobre sobre la salud - Efectos ambientales del Cobre",
  year = 2016,
  url = "http://www.lenntech.es/periodica/elementos/cu.htm"}
 
@misc{Slate_pottery,
  author = "Robert Finlay",
  title = "The Pilgrim Art",
  year = 2008,
  url = "https://books.google.pt/books?id=uHWIKuAYbK8C&printsec=frontcover&source=gbs_ge_summary_r&redir_esc=y#v=onepage&q&f=false"}
 
@misc{PVC_properties,
  author = "EMPRESA DE LOUSAS DE VALONGO",
  title = "Problemática medioambiental del PVC",
  year = 2016,
  url = "http://www.eis.uva.es/~macromol/curso04-05/pvc_ma/files/7nuevo.htm"}
 
@misc{PVC_container,
  author = "UE-Perú penx",
  title = "MATERIALES PARA ENVASE Y EMBALAJE",
  year = 2014,
  url = "http://www.mincetur.gob.pe/comercio/ueperu/consultora/docs_taller/Parte_2_Presentacion_Taller_Uso_de_Envases_yEmbalajes_Mod_compatibilidad.pdf"}
===== BibTeX example =====
 
 
 
@Book{GangOfFour,
  author     = "Erich {Gamma} and Richard {Helm} and Ralph {Johnson} and John {Vlissides}",
  author-ref = "Gamma, et al.",
  title      = "Design Patterns: Elements of Reusable Object-Oriented Software",
  publisher  = "Addison-Wesley",
  year       = 1994,
  address    = "Reading, Mass.",
  pages      = 395,
  isbn       = "0-201-63361-2",
  url        = "http://en.wikipedia.org/wiki/Design_Patterns"
}
 
@Book{Electricity_in_desalination
 auhor  ="Jiaping Paul {Chen}, Lawrence K. {Wang}, Lei {Yang} and Yu-Ming {Zheng}", 
 author-ref = "Chen, et al.",
 title   = "Desalination of Seawater by Thermal Distillation and Electrodialysis Technologies",
 year = "2011",
 pages = "530"
}
 
@Article{Knuth1985,
  author    = "Donald Knuth",
  title     = "Deciphering a linear congruential encryption",
  journal   = "IEEE Transactions on Information Theory",
  volume    = "31(1)",
  year      = 1985,
  month     = "Jan",
  publisher = "IEEE",
  pages     = "49-52",
  issn      = "0018-9448",
  url       = "http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=1056997"
}