TY  - GEN
AU  - Hudson Deborah
AU  - Miller, G Joshua
TI  - The challenge of the unknown: teaching guide to accompany the film series
SN  - 0393955362
AV  - QA109.CHA 1984 
PY  - 1986///
CY  - New York
PB  -  Norton
KW  - Mathematics -- Study and teaching
N1  - lncludes index
ER  -