Mitchell, D. S.
Aquatic vegetation and its use and control - 1974 United Nations Educational, Scientific and Cultural Organization - 135 p. illus. 24 cm
9231010824
AQUACULTURE
AQUATIC ECOLOGY
ECONOMIC ASPECTS
WEED CONTROL
Aquatic vegetation and its use and control - 1974 United Nations Educational, Scientific and Cultural Organization - 135 p. illus. 24 cm
9231010824
AQUACULTURE
AQUATIC ECOLOGY
ECONOMIC ASPECTS
WEED CONTROL