TY  - BOOK
AU  - Ehrlich,Anne H.
TI  - Ecoscience: :population resources, environment
SN  - 0716700298
AV  - IRA HB871.E35 
PY  - 1977///
CY  - Fransisco
PB  - W.H. Freeman and Company
KW  - Population
KW  - Pollution,
KW  - Human ecology
N1  - Includes bibliographical references and index
ER  -