@book{28504,
	author = {Colón Cora, Rafael},
	title = {The professor's attitude and performance},
	publisher = {Editorial Universitaria, Universidad de Puerto Rico},
	year = {1981.},
	address = {Río Piedras, P.R.},
	edition = {1a. ed.},
	note = {Originally presented as the author's thesis, Northwestern University, 1975, under title: A social psychological analysis of the determinants of faculty performance in the universities of Puerto Rico.}
}