000 00341nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aWalter, E.V.
245 _aSorghum midge with suggestions for control
260 _aWashington
_c1928
300 _a1-6 p.
440 _aUnited States Department of A
901 _a41416
942 _cB
_2udc
999 _c7835
_d7835