000 00342nam a2200133Ia 4500
008 220721s1979 xx 000 0 und d
041 _aeng
082 _a584.15(54)
100 _aGupta, O.P.
245 _aAquatic Weeds: Their Menace and Control
260 _aNew Delhi
_bToday and Tomorrow
_c1979
300 _a275P.
999 _c78456
_d78456