@book{72533,
	author = {García Castañeda, Fausto. and Guerasimov, Inocencio Petrovich.},
	title = {I.E. Guerasimov, medio siglo en la ciencia del suelo},
	publisher = {s.e.),},
	year = {1976},
	address = {(s.l. :}
}