1. Zusammenhänge zwischen Geburts-und Jahresgewicht bei weiblichen Rindern, dargestellt and Tieren der Gruber Fleckviehherde. Mitt, bayer Landesanst;Abelein;Tierz. Grub.,1959
2. Growth in Egyptian Cattle During the First Two Years of Age;Ahmed;Alexandria J. Agr. Besearch,1954
3. Causes of Variation in the Gestation Period of Egyptian Cows and Buffaloes;Ahmed;Empire J. Exptl. Agr.,1956
4. Length of Gestation in the Five Major Breeds of Dairy Cattle;Alexander;J. Dairy Sci.,1950
5. Observations on Some Indian Cattle. Pt. IV. A Study of the Birth Weight of Calves;Anantakrishnan;Indian J. Dairy Sci,1953