TY  - BOOK
AU  - Singh,H.H.
TI  - Geography and environment: issues and challenges 
PY  - 1985///
CY  - New Delhi
PB  - Concept Publishing Company
KW  - Kayastha, S. L.
KW  - Human ecology
KW  - India
KW  - Environmental protection
N1  - Includes bibliographical references and index
ER  -