@book{850,
	author = {National Academy of Science (USA).},
	title = {Energy for rural development :},
	publisher = {National Academy of Science, },
	year = {1981, c1976},
	address = {Washington :},
	note = {"This report has been reviewed by a group other than the authors according to procedures approved by a report review committee consisting of members of the National Academy of Sciences, the National Academic of Engineering, and the Institute of Medicine"},
	url = {https://www.cicy.mx/sitios/sib/doctoelectronico/861.pdf}
}