TY  - BOOK
AU  - Hill,Marquita K.
AU  - 
TI  - Understanding environmental pollution : 
SN  - 978 0 521 67038 8
U1  - 363.73/H647u 
PY  - 0000///Cambridge University press
PY  - 2004///
CY  - Cambridge (UK) 
KW  - Environmental pollution
KW  - Pollution
N1  - Includes index(P452-68) and bibliography.
ER  -