Timofeev, 1966
From dinoflaj3
Timofeev, B.V., 1966: Mikropaleofitologicheskoe issledovanie drevnikh svit. Akademiya Nauk SSSR, Isdatelskvo Nauka, Moskva, p.1-147, pl.1-89. (Published English translation dated 1974 by British Library - Lending Division, Yorkshire, England, 214 p.)