TY  - BOOK
AU  - Rastogi, P. N.
AU  - Rastogi, P. N.
TI  - Behaviour of societal system
U1  - Y1xv1 
PY  - 1978///
CY  - Simla
PB  - Indian Inst. Of Adv. Study
KW  - Y1xv1
ER  -