TY  - BOOK
AU  - Gordon,George N
AU  - Falk,Irving A.
TI  - Videocassette technology in American education
SN  - 0877780358
PY  - 1972///
CY  - Englewood Cliffs, N.J.
PB  - Educational Technology Publications
KW  - Video tapes in education
N1  - p. 153-156
ER  -