1. The significance of the pulse rate in vertebrate animals;Buchanan;Ann. Rpt. Smithsonian. Inst. 487-505.,1910
2. Heart rate of the domestic fowl;McNally;Poultry Sci.,1940
3. Seasonal metabolic and endocrine rhythms in domestic fowl;Winchester;Mo. Agr'l Expt. Sta. Res. Bul.,1940