TY  - BOOK
AU  - Keith,Lawrence H.
ED  - American Chemical Society.
TI  - Principles of environmental sampling
SN  - 0841211736
AV  - TD193 .P75 1988
U1  - 628.5/028/7�19 
PY  - 1988///
CY  - [Washington, D.C.]
PB  - American Chemical Society
KW  - Pollution
KW  - Measurement
KW  - Environmental chemistry
KW  - Environmental monitoring
KW  - Quality assurance
ER  -