TY  - BOOK
AU  - Wetzel,Robert G.
TI  - Limnology: (Acc: 4721): lake and river ecosystems 
SN  - 0127447601 (alk. paper)
U1  - REF/SCI 577.6 WET 21
PY  - 2001///
CY  - San Diego
PB  - Academic Press
KW  - Limnology
ER  -