Belyanina 1986. [The present state of chironomid karyofunds in waters of the USSR.] Kolesnikov, N.N.; Istomina, A.G.[Eds]. Evolyutsiya, vidoobrazovanie i sistematika khironomid. [Evolution, species formation and systematics of chironomids.], Acad. Sci. USSR, Novosibirsk, 1986: 1-158. Chapter pagination: 45-49