TY  - BOOK
AU  - Malik S L
AU  -  Bhattacharya D K
TI  - Aspects of human ecology :  A dynamic interrelation   
U1  - Y:(G:5), M6 
PY  - 1986///
CY  - N.Delhi
PB  - Northern Book centre        
KW  - Sociometry
N1  - Bibiliography P 105-110; Glossary P 97-1004
ER  -