00405nam a2200145Ia 4500008004100000082001600041100001800057245006600075260004600141300000800187650001800195650002400213653001000237653001200247170901s1973    xx            000 0 und d  a598.2bS40H  aShilov, I. A. 0aHeat Regulation in BirdsbAn Ecological-Physiological Outline  aNew DelhibPublishing Co. Pvt. Ltd.c1973  a279  aPure Sciences  aZoological sciences  aBirds  aEcology