TY  - BOOK
AU  - Allen, Herbert E., ed.
AU  - Kramer, James R., ed.
TI  - Nutrients in natural waters
SN  - 0471023280
U1  - 551.48 21st ed
PY  - 1972///
CY  - New York
PB  - Wiley-Interscience Publication
KW  - Water
KW  - Water quality bioassay
KW  - Water-Composition
N1  - 445-57 includes index
ER  -