TY  - BOOK
AU  - Oyster,Carol K.
TI  - Groups: a user's guide
T2  - The McGraw-Hill social psychology series
SN  - 0070482454
U1  - 305 21
PY  - 2000///
CY  - Boston
PB  - McGraw-Hill
KW  - Social groups
KW  - Local
N1  - Includes bibliography : p. 336-357 and index
ER  -