TY  - BOOK
AU  - Harnack,R.Victor, Fest, Thorrel B.
AU  - x
TI  - Group discurssion: Theory and techinque
SN  - x
U1  - 301/HAG 
PY  - 1964///
CY  - N.Y.
PB  - Appleton - Century-Crofts
KW  - Sociology
N1  - x
ER  -