1. Afzelius, B. A. , 1956. The acrosomal reaction of the sea urchin spermatozoon. Proc. Stockholm Conf. on Electron Microscopy, 167-169.
2. The acrosomal reaction of spermatozoa during fertilization or treatment with egg water;Afzelius;Exptl. Cell Research,1957
3. The effect of homologous fertilizin on the sperm of Strongylocentrotus purpuratus;Collier;Acta Embryol. et Morph. Exper,1959
4. Studies on the acrosome;Dan;I. Reaction to egg-water and other stimuli. Biol. Bull,1952
5. Studies on the acrosome. III. Effect of calcium deficiency;Dan;Biol. Bull,1954