1. P. L. Altman and D. S. Dittmer. Blood and Other Body Fluids. Federation of American Societies for Experimental Biology, Washington, D. C. (1961).
2. Z. E. Begui. Acoustic Properties of the Refractive Media of the Eye. J. Acoust. Soc. Amer., 26, 365–368 (1954). Biology Today. CRM Books, Del Mar, California (1972).
3. W. Bloom and D. W. Fawcett. A Textbook of Histology. W. B. Saunders, Co., Philadelphia (1968).
4. V. Bradley. Elementary Microstudies of Human Tissue. Charles C. Thomas, Springfield, Illinois (1972).
5. K. Brady, S. A. Goss, R. L. Johnston, W. D. O’Brien, Jr. and F. Dunn. Ultrasonic Propagation Properties of Mammalian Testes. J. Acoust. Soc. Amer., (in press). (1976).