TY  - BOOK
AU  - Girard, James E  .
TI  - Principles of environmental chemistry / 
SN  - 0-7637-2471-8
U1  - E(G:55) 
PY  - 2005///
CY  - Canada : 
PB  - Jones and Bartlett Publishers , 
KW  - Environmental chemistry
ER  -