1. Regulierung der DNS Menge im Mikro-nuklcus von Tetrahymena;Cleffmann;Exp. Cell Res.,1968
2. Chromatin elimination and the genetic organisation of the macronucleus in Tetrahvmena thermophila;Cleffmann;Chro-mosom.,1980
3. Nuclear variation in Paramecium caudatum;Diller;J. Morpho.,1940
4. Endonucleobiosis in ciliates;Görtz;Int. Rev. Cyt.,1986
5. Ultrastructure of the I-particles-symbiotic bacteria of the macronucleus of Paramecium caudatum (Protozoa, Ciliata);Gromov;Izv. Akad. Nauk. SSSR Ser. Biol.,1976