TY  - BOOK
AU  - Riemer,Donald N.
TI  - Introduction to freshwater vegetation
SN  - 0870554484
PY  - 1984///
CY  - New York
PB  - Avi
KW  - freshwater floraaquatic weeds
KW  - Control
KW  - Freshwater ecology
KW  - freshwater vegetation
KW  - sears
N1  - Includes index
ER  -