1. Oogenesis in Amphibia with special reference to the formation, replication and derivatives of mitochondria;Al-Mukhtar,1971
2. An ultrastructural study of primordial germ cells, oogonia and early oocytes in Xenopus laevis;Al-Mukhtar;J. Embryol. Exp. Morphol,1971
3. Changes in the ultrastructure of amphibian eggs following fertilization;Balinsky;Acta Embryol. Morphol. Exp,1966
4. Origin and differentiation of cytoplasmic structures in the oocytes of Xenopus laevis;Balinsky;Acta Embryol. Morphol. Exp,1963
5. Mitochondria are associated with microtubules and not with intermediate filaments in cultured fibroblasts;Ball,1982