000 00378nam a2200133Ia 4500
008 130225s9999 xx 000 0 und d
100 _aGriswold, G.H.
245 _aStudy of the oyster-shell scale, lepidosaphes ulmi(L.), and one of its parasites
260 _aIthaca
_c1925
300 _a1-67 p.
440 _aCornell Agricultural Experime
901 _a19487
942 _cB
_2udc
999 _c2911
_d2911