@book{344305,
	author = {Cruchaga, R.C.},
	title = {Simulación de sistemas pecuarios},
	publisher = {IICA, },
	year = {1992. },
	address = {San Jose, (Costa Rica): },
	note = {IICA; 11 illus. ; 55 tables ; 26 graphs ; Several bibliographies}
}