TY  - BOOK
AU  - Freedman,Bill
TI  - Environmental Science: A canadian perspective
SN  - 9780135242407
AV  - QH545 .F73 1998
U1  - 574.5/222 20
PY  - 1998///
CY  - San Diego
PB  - Academic Press
KW  - Pollution
KW  - Nature
KW  - Effect of human beings on
KW  - Ecological disturbances
N1  - Includes bibliographical references (p. 469-541) and indexes
UR  - http://www.loc.gov/catdir/description/els032/94007665.html
UR  - http://www.loc.gov/catdir/toc/els032/94007665.html
ER  -