Reference

V. Kovaleva, Igor Borissovich Raikov, A. Miyake (1997): Fine Structure of Conjugation of the Ciliate Blepharisma japonicum II. Changes of Meiotic and Ameiotic Micronuclei and Development of Meiotic and Ameiotic Macronuclear Anlagen – Archiv für Protistenkunde – 148_1997: 351 - 363.