TY  - BOOK
AU  - Malik,S L .
AU  - Bhattacharya,D K  .
TI  - Aspects of human ecology / 
U1  - 304.2 
PY  - 1986///
CY  - New Delhi : 
PB  - Northern Book Centre , 
KW  - ECOLOGY
N1  - Includes bibliographical references and index
ER  -