TY  - BOOK
AU  - Wetzel, Robert G.
AU  - Likens, Gene E.
TI  - Limnological analyses /Robert G. Wetzel, Gene E. Likens
SN  - 0387973311
U1  - 574.52632 
PY  - 1991///
CY  - New York
PB  - S-V
ER  -