@book{50185,
	author = {Pan American Federation of Engineering Societies. and Pan American Conference on Energy},
	title = {Ponencias nacionales de Puerto Rico},
	publisher = {Center for Energy and Environment Research, University of Puerto Rico, U.S. Dept. of Energy},
	year = {1982.},
	series = {CEER},
	address = {San Juan, P.R.},
	note = {UPADI-82.}
}