@book{10356,
	author = {Peñaranda Valverde, Gerardo and Peñaranda V., Gerardo/Hernández Ramírez, Jaime Andrés},
	title = {Razonamiento abstracto:},
	publisher = { Panamericana,},
	year = { 2006},
	address = {Bogotá :},
	edition = {1a edición., 11a reimpr.}
}