@book{21372,
	author = {Regional Planning Geography Conference and Navas Dávila, Gerardo. and Puerto Rico.},
	title = {Geography and planning},
	publisher = {Editorial Universitaria, Universidad de Puerto Rico},
	year = {1977.},
	series = {Planning series},
	address = {[Río Piedras]},
	note = {Five papers presented at the Regional Planning Geography Conference held at the University of Puerto Rico, Río Piedras Campus, in February 1967, sponsored by the Graduate School of Planning with the cooperation of the Faculty of Social Sciences.}
}