TY  - BOOK
AU  - Arms,Karen
TI  - Environmental science
SN  - 003007178X
AV  - GE105 .A76 1990
U1  - 363.7 
PY  - 1990///
CY  - London
PB  - Saunders college
KW  - Environmental science
KW  - Ecology
KW  - Pollution
ER  -