00312    a2200121   4500020001500000082001500015100001800030245005000048260003800098300002000136650001500156700001900171  a071671423X  a571.1bECK  aEckert, Roger  aAnimal physiologybmechanisms and adaptations  aDelhibCBS Publishersc1978g1983  axvi,830p.c24cm  aPhysiology  aRandall, David