@book{14493,
	author = {Martínez - Chavanz, Rengino and Colciencias and Cubillos, Germán},
	title = {Física y Química /},
	publisher = {Tercer Mundo Editores,},
	year = {1993.},
	series = {Historia Social de la Ciencia en Colombia, No. 6},
	address = {Santafé de Bogotá :}
}