TY  - ADVS
AU  - Sellgman,David
ED  - British Broadcasting Corporation.
TI  - Changing motivation
PY  - 1971///
CY  - Milton Keynes
PB  - Open University
KW  - Motivation (Social psychology)
KW  - Personality and motivation
N1  - Note: 1p; Converted into VHS 1/2 in; Title from title screen; Executive producer, Richard Hooper
ER  -