@book{5880,
	author = {National Council of Teachers of Mathematics [Estados Unidos] and Velasco Coba, Federico},
	title = {Simetría, congruencia y semejanza},
	publisher = {Trillas},
	year = {1970},
	series = {Temas de matemáticas},
	address = {México, D.F.},
	edition = {1ª ed.}
}