@book{9546,
	author = {Weyl, Hermann. and Abellanas, Lorenzo,},
	title = {Simetría / },
	publisher = {McGraw-Hill, },
	year = {D.L. 1990.},
	series = {Serie McGraw-Hill de divulgación científica},
	address = {Madrid [etc.] : },
	note = {Bibliogr.: p. IX-X.}
}