Aquatic weeds:
Gupta, O. P.
Aquatic weeds: their menace and control a text book and manual/ O. P. Gupta - India: Today & Tomorrow's Printers & Publication; 1979. - vii, 272 p. : ill. ; 23 cm.
Includes subject index
Aquatic weeds
632.58/ GUA
Aquatic weeds: their menace and control a text book and manual/ O. P. Gupta - India: Today & Tomorrow's Printers & Publication; 1979. - vii, 272 p. : ill. ; 23 cm.
Includes subject index
Aquatic weeds
632.58/ GUA