000 00453nam a2200133Ia 45e0
008 131206n xxk |||gr||||Z||||||eng
082 _a574
100 _aRobson, T. O.,
_eAuthor.,
245 0 _aControl of Aquatic Weeds
_cT. O. Robson
_hTheses
260 _aLondon
_bHer Majestys Stationary Office
_c1972.
300 _a54.
653 _aAquatic Weeds
942 _2ddc
_cTH
999 _c2083
_d2083