TY  - BOOK
AU  - Wetzel , Robert G.
TI  - Limnology: lake and river ecosystem
SN  -  9780127447601
U1  - 577.6 23
PY  - 2001///
CY  - Philadelphia , PA
PB  - W.B Saunders
KW  - Limnology
N1  - includes references and index
ER  -