Timofeev, 1962
From dinoflaj3
Timofeev, B.V., 1962: Teodolitnyi paleontologicheskii stolik (novyi metod issledovaniya iskopaemogo mikroplanktona) obshchie zamechaniya. Vsesoyuznyi Neftyanoi Nauchno-Issledovatelskii Geologorazvedochnyi Institut, Leningrad (VNIGRI), Trudy, no.196 (Paleontologicheskii Sbornik, no.3), p.601-647, pl.1-20.