TY  - BOOK
AU  - Johnson, Gordon K.
TI  - Environmental tips: how you can save this planet 
SN  - 1550590111
AV  - TD170.2 .J6
PY  - 1990///
CY  - Alberta
PB  - Detselig Enterprises Limited
KW  - Environmental Technology
N1  - includes index
ER  -