@book{48994,
	author = {Rio, Fernando del. and University of Puerto Rico Mayaguez Campus.},
	title = {Human factors involved in the development of a watershed in Yabucoa},
	publisher = {Water Resources Research Institute, School of Engineering, University of Puerto Rico, Mayaguez campus},
	year = {[1970]},
	address = {Mayaguez},
	note = {"Research project A-013-PR, technical completion report."}
}