000 00479nam a2200205Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aSB614.A69
100 _aMitchell, D. S.
245 0 _aAquatic vegetation and its use and control
260 _aParis
260 _bUNESCO
260 _c1974
300 _a135p.
300 _c24cm.
650 _aAquatic weeds
700 _aill.
942 _2Library of Congress Classification
942 _cBook
999 _c31040
_d31040