TY  - BOOK
AU  - Freedman, Bill
TI  - Environmental science: A Canadian perspective 
SN  - 0132000415
AV  - GE160  .C3F74  2007 
PY  - 2007///
CY  - Toronto
PB  - Prentice Hall
KW  - Environmental
N1  - Includes bibliographical references and index
ER  -