@book{8607,
	author = {Comp. Corina Flores Montero  and Flores Montero,  Corina Comp. },
	title = {Conmemoración académica del centenario del nacimiento de Jean Piaget (1896-1996).},
	publisher = {EUNED,},
	year = {1998},
	address = {San José:}
}