TY  - BOOK
AU  - Lauch,Richard P.
ED  - United States.
TI  - Application and procurement of automatic wastewater samplers
U1  - 363.7284 
PY  - 1975///
CY  - Washington, D.C.
PB  - U.S. Environmental Protection Agency
KW  - wastewater
N1  - April 1975
ER  -