Bolkhovitina, 1953
From dinoflaj2
Bolkhovitina, N.A., 1953: Sporovo-pyltsevaya kharakteristika melovykh otlozhenii tsentralnykh oblastei SSSR. Geologicheskiy Institut, Akademiya Nauk SSSR, Trudy, v. 145, no. 61, 184 p. pl.1-16.
