TY  - BOOK
AU  - Knowles,Malcolm S.
AU  - Knowles,Hulda
TI  - Introduction to group dynamics
SN  - 0809618508
AV  - HM 131 .K62 1972
U1  - 301.15 
PY  - 1972///]
CY  - New York
PB  - Association Press
KW  - Social groups
N1  - Includes bibliographical references
ER  -