Biological organization at the cellular and supercellular level : a symposium held at Varenna, 24-27 September, 1962, under the auspices of UNESCO. edited by R.J.C. Harris. Meeting of Experts on Biological Organization, Cellular and Supra-cellular (1962 : Varenna, Italy) Harris, R. J. C. (Robert John Cecil), 1922- ed. Unesco. Cytology Congresses. Genetics Congresses. Embryology Congresses. QH573 .M4 1962 574.87 SYB Includes index. London, New York : Academic Press, 1963. 1963. 1963 Text x, 261 p. : eng