1. Biometry of the Egyptian buffalo foetus.;Abdel-Raouf;J. Vet. Sci. UAR.,1968
2. A quantitative and cytological study of germ cells in human ovaries.;Baker;Proc. Roy. Soc. Ser. B,1963
3. A quantitative and cytological study of the oogonia and oocytes in foetal and neonatal rat.;Beaumont;Proc. Roy. Soc. Ser. B,1961
4. Oogenesis and ovarian development in the prenatal pig.;Black;Anat. Rec.,1968
5. Brambell , F. W. R. 1958 Marshalls Physiology of Reproduction, Longmans, Landon