Weishar, Peter. Blue sky : the art of computer animation : featuring Ice Age and Bunny / Peter Weishar. - New York : Harry N. Abrams, c2002. - 86 p. : ill. (some col.) ; 31 cm. ISBN: 0810990695 (pbk.) LCCN: 2001-058988 Subjects--Topical Terms: Computer animation. LC Class. No.: TR897.7 / .W45 2002 Dewey Class. No.: 778.5/347