TY  - BOOK
AU  - Antweiler, Ronald C.
AU  - Patton, Charles J.
AU  - Taylor, Howard E.
CN  - I 19.76:
CY  - Denver, Colo. :
DA  - 1996.
ID  - 219556
KW  - Water
KW  - Water
KW  - Colorimetric analysis.
PB  - U.S. Geological Survey :
PB  - Books and Open-File Reports Section [distributor],
PP  - Denver, Colo. :
PY  - 1996.
T1  - Automated, colorimetric methods for determination of nitrate plus nitrite, nitrite, ammonium and orthophosphate ions in natural water samples
TI  - Automated, colorimetric methods for determination of nitrate plus nitrite, nitrite, ammonium and orthophosphate ions in natural water samples
VL  - 93-638
ER  -