1. Afon'kin SYu, Skovorodkin IN (1987) The cell-cell recognition ofDileptus anser. The shortening of waiting period as a result of pretreating of heterologous gamones. Tsitologiya 29: 715?720 (in Russian with English summary)
2. Afon'kin SYu, Yudin AL (1986) Uneven distribution of ciliatesDileptus anser in the gradient of gamones excreted by cells of complementary mating types. Tsitologiya 28: 1117?1122 (in Russian with English summary)
3. ? ? (1987) Distribution ofDileptus anser (Ciliata, Holotricha, Gymnostomatida) of various genotypes format locus in the concentration gradient of their gamones. Acta Protozool 26: 91?100
4. Baroin A, Perasso R, Qu L-H, Brugerolle O, Bachellerie J-P, Adoutte A (1988) Partial phylogeny of the unicellular eukaryotes based on rapid sequencing of a portion of 28S ribosomal RNA. Proc Natl Acad Sci USA 85: 3474?3478
5. Dallai R, Luporini P (1989) Ultrastructural aspects of the development of the cytoplasmic connection between mating cells of the ciliateEuplotes crassus. Eur J Protistol 24: 125?132