TY  - BOOK
AU  - Mitchell,D.S.
TI  - Aquatic vegetation and its use and control
SN  - 9231010824
AV  - SB614 .A69
U1  - 632/.58 
PY  - 1974///
CY  - Paris
PB  - Unesco
KW  - Aquatic plants
KW  - Economic aspects
KW  - Aquatic weeds
KW  - Control
N1  - Bibliography: p. 119-131
ER  -