Referencias
Aldia. (2012). Retrieved from http://aldia.microjuris.com/2013/08/19/contaminacion-luminica/
Ambiental, J. d. (2014, Abril 23). Retrieved from http://www2.pr.gov/agencias/jca/areasprogramaticas/PrevencionContaminacionLuminica/Pages/Programa-para-el-Control-y-la-Prevenci%C3%B3n-de-la-Contaminaci%C3%B3n-Lum%C3%ADnica.aspx
Astrocantabria. (2013). Retrieved from http://www.astrocantabria.org/?q=cieloscuro_contaminacion
Astrogea. (2012). Retrieved from http://astrogea.org/celfosc/contaminacio_luminica.htm
Celfosc. (2013). Retrieved from http://www.celfosc.org/esp/5minutos.html
Miprv. (2011, Junio 3). Retrieved from http://www.miprv.com/causas-y-consecuencias-de-la-contaminacion-luminica/
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