@book{6861,
	author = {Fernández, Eduardo M.},
	title = {Ciencias naturales y tecnologia 1},
	publisher = {Santillana},
	year = {1996 [c.1995]},
	series = {Santillana Secundaria},
	address = {Buenos Aires},
	edition = {1a ed. 1a reimpr.}
}