Ultrastructure of spermatozoa and fertilization process in sturgeon = Ultrastruktura spermií a fertilizačního procesu jeseterů / Martin Pšenička .  Vodňany :  University of South Bohemia České Budějovice, Faculty of Fishery and Water Protection Research Institute of Fish Culture and Hydrobiology,  2009 .  104 s.   [1, currently available 1]