00465nam a2200157 a 450000500170000008200210001710000150003824500450005326000440009830000180014269000210016096400250018199700180020699900170022495200660024120251203091012.0  a591.525,bD, bak  aBaker, RR.  aEvolutionary ecology of animal migration  aLoNew DelhionbHodder & Stoughtonc1978  a1012p, 24 cm.  aAnimal migration  bEngc100de010fg_  a41291 LIBSC C  c26411d26411  00104070aPUbPUd1998-04-08l0o591.525, D, bakp41291yBK