00282nam a2200109 a 450000500170000008200180001710000290003524500400006425000120010426000350011630000210015120251203090508.0  a598p,bD, pet  aPettingill, Olin, Sewall  aOrnithology in laboratory and field  a5th ed.  aOrlaNew DelhiobAcademicc1985  axi, 403p, 24 cm.