@book{149600,
	author = {Schattschneider, Doris. and Escher, M. C.},
	title = {M. C. Escher calidociclos /},
	publisher = {Benedikt Taschen},
	year = {c 1992.},
	address = {Alemania},
	edition = {1st ed.},
	note = {Includes 16 folded sheets of two-dimensional drawings which can be separated from their surrounding extra paper to form 17 polyhedral forms.}
}