nam a22 7a 4500 16989 16989 161118b xxu||||| |||| 00| 0 eng d 0393955362 9780393955361 QA 63 .C43 1986 The challenge of the unknown : teaching guide to accompany the film series/ New York : Norton, ©1986. 276p. : ill. ; 27 cm. teaching guide to accompany the film series. Includes bibliography and index. Mathematics Study and teaching. lcc BOOKS QA 63 .C43 1986 0 0 lcc 0 0 MUC MUC TECH 2016-11-18 Donation(BFA) 0 QA 63 .C43 1986 26585 2018-07-13 2016-11-18 BOOKS