00640nam a2200181Ia 4500001001000000003000500010008004100015010001100056040000900067082002000076100001600096245012100112300001000233440001600243500011500259650006500374700001900439Para_8557CHAP220125s9999    xx            000 0 und d  a207368  cCHAP  aPA-C 595.752 A6  aBaker, A.C.  aA further contribution to the study of eriosoma pyricola, the wolly pear aphis  /c by A.C. Baker, and W.M. Davidson  a10 p.  aAphidae; 22  aSobretiro de; Journal of Agricultural Research, 10 (2): 65-74, 1917. Encuadernado con otros impresos similares  ax Afididos x Colecciones de escritos x Eriosoma lanigerum  aDavidson, W.M.