Reference

S.W. Feist, S. Chilmonczyc [Chilmonczyk], A.W. Pike (1991): Structure and development of Sphaerospora elegans Thélophan 1892 (Myxozoa: Myxospora) in the sticklebacks Gasterosteus aculeatus L. and Pungitius pungitius L. (Gasterosteidae) – Europ. J. Protistol. – 27: 269 - 277.