00541 2200205 4500001002100000005001500021035002000036008004100056082001000097090001400107245006000121260004700181020000600228084001600234100001600250250000600266300003100272650001000303990002200313INLIS00000000000202920240514014828 a0010-0722002029240514 | | eng  a632.5 aGup a c.11 aAquatic Weeds :bTheir menace and control /cO.P. Gupta a[s.l] :bToday & Tomorrows Printers,c1979 a- a632.5 Gup a0 aGupta, O.P. a- a272 hlm. :bilus. ;c24 cm 4aGulma ac.1(505/SPP/ha/-)