TY  - BOOK
AU  - Ward,Diana Valiela
TI  - Biological environmental impact studies: theory and methods 
SN  - 012735350x :
U1  - 574.5028 
PY  - 1978///
CY  - New York
PB  - Academic Press
KW  - Environmental impact analysis
KW  - Pollution
KW  - Environmental aspects
N1  - " A subsidiary of Harcourt Brace-Jovanovich, Publishers"; Includes bibliographical references and index
ER  -