000 00337nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aJones, K.W.
245 _aThree experiments in witchweed control
260 _aKhartoum
_c1953
300 _a98-102 p.
440 _aNo. 33; Sudan Government, Min
901 _a42083
942 _cB
_2udc
999 _c7933
_d7933