TY  - BOOK
AU  -   Hocking, Colin;
TI  -     Acid rain : : teacher's guide 
SN  - 0924886145
AV  - QH 545 HOC 1990
PY  - 1999///
CY  - Berkeley, CA
PB  -  Lawrence Hall of Science, University of California at Berkeley, 
KW  -  Acid rain
KW  -  Environmental aspects
KW  -  Study and teaching (Elementary)
KW  - Environmental aspects
KW  -  Study and teaching
ER  -