TY  - BOOK
TI  - Pollution problems and solutions
SN  - 0070471053
AV  - TD 178 .P65 1998
U1  - GS 372.3'57044  
PY  - 1999///
CY  - Philadelphia
PB  - Chelsea House Publishers
KW  - Pollution
KW  - study and teaching
KW  - activity program
ER  -