TY  - BOOK
AU  - Steiner Ivan D
TI  - Group process and productivity
T2  - Social psychology : A series of monographs, treatises and texts
U1  - S8, L2 
PY  - 1972///
CY  - New York
PB  - Academic Press USA       
KW  - Psychology
N1  - Bib p 187-94
ER  -