TY  - BOOK
AU  - Webb, Leonard.
TI  - Man and environment: conservation of natural resources 
SN  - 771572190
U1  - 363.7 WEB 
PY  - 1973///
CY  - Canada
PB  - Gage Educational Publishing
KW  - Human ecology
KW  - Conservation of natural resources
KW  - Population
N1  - Includes index
ER  -