00458nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100002500076245005000101260006100151300000900212440004500221650003400266Para_3941CHAP220125s1908    xx            000 0 und d  a202463  cCHAP  aSanderson, E. Dwight  aThe apple leaf-aphis  /c E. Dwight Sanderson  aDurham, N. H.  :b N. H. Agricultural Experiment Station  a6 p.  aNew Hampshire Agr. Exp. Sta. Circular; 3  aAphis pomi  Manzana x Plagas