@book{63477,
	author = {Semo Calev, Enrique, 1930-},
	title = {Ideología, pensamiento científico e historia},
	year = {may. 1982},
	address = {Cuenca},
	url = {http://www.dspace.uce.edu.ec/bitstream/25000/3714/3/Anales%201983_360.pdf}
}