Ecology of water weeds in the neotropics : An ecological survey of the aquaticweeds Eichhornia Crassipedes and Salvinia species, and their natural enemies in the neotropics / by D. S. Mitchell; P.A. Thomas.
Material type: TextSeries: Technical papers in hydrology ; 12Publication details: París : UNESCO, 1972.Description: 50 p. : ilSubject(s):No physical items for this record
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