REFERENCES
- Austin C.R., 1965.—Fine structure of the snake sperm tail. J. Ultrastruct. Res, 12: 452–462.
- Boisson C. and Mattei X, 1965.—Sur la spermiogénese de Pyton sebae (Gmelin) étudiée au microscope électronique. C. R. Soc. Biol, 159: 1192–1194.
- Boisson C. and Mattei X, 1966.—La spermiogénese de Python sebae-Gmelin observée au microscope éléctronique. Ann. Sci. Nat. Zool, 8: 363–390.
- Breland O.P., Gassner G. III, Riess R. W. and Biessele, 1966.—Certains aspects of the centriole adjunct, spermatogenesis and the mature sperm of insects. Can J. Genet. Cytol, 8: 759–773.
- Clark A, 1967.—Some aspects of spermiogenesis in a lizard. Amer. J. Anat, 121: 369–399.
- Comings D. E. and Okada T.A., 1972.—The chromatoid body in mouse spermatogenesis: Evidence that it may be formed by the extrusion of nucleolar components. J. Ultrastruct. Res, 39: 15–23.
- Furieri P., 1970.—In: Comparative Spermatology. B. Baccetti, ed. Accademia dei Lincei. Roma, Acad. Press, New York and London, pp. 115–131.
- Hamilton D. W. and Fawcett D.W., 1968.—Unusual features of the neck and middle-piece of snake spermatozoa. J. Ultrastruct. Res, 23: 81–97.
- Kaplan H.M., Glaczensky S. S. and Hirano T, 1966.—Electron microscope study of Turtle sperm. Int. J. Cytol, 31: 99–104.
- Nicander L. and Plöen L., 1969.—The chromatid body and the « ring centriole » in mammalian spermatogenesis. J. Ultrastruct. Res, 29: 576.
- Yasuzumi G, 1974.—Electron microscope studies on spemiogenesis in various animal species. Int. Rev. Cytol. 37: 53–119.
- Yasuzumi G. and Yasuda M, 1968.—Spermatogenesis in animals as revealed by electron microscopy. XVIII. Fine structure of developing of the Japanese freshwater Turtle fixed with Potassium Permanganate. Z. Zellforsch. Milkrosk. Anat, 85: 18–33.
- Yasazumi G, Matano Y, Asai T, Nagasaka M. and Yasazumi F, 1971.—Spermio- genesis in animals as revealed by electron microscopy. XXII. Development of nuclei and cytoplasmic microtubules in the grasshopper spermatids. Z. Zellforsch. Mikrosk. Anat., 115: 543–552.