1. Kinorhyncha;Adrianov,1999
2. Thoughts on comparative spermatology;Afzelius,1970
3. Sperm morphology and fertilization biology;Afzelius,1972
4. The Functional Anatomy of the Spermatozoon;Afzelius,1975
5. Fine structure of the garfish spermatozoon;Afzelius;Journal of Ultrastructure Research,1978