000 00302 am a2200121 a 4500
100 1 _aGraf, J.E.
245 1 _aPotato tuber moth
260 _aWashington
_c1917
300 _a1-56 p.
942 _2udc
_cB
440 _aPotato United States Department of Agriculture. Bulletin No. 427
901 _aS48851
999 _c104973
_d104973