Fedorova, V.A.,
1980
Rol organogennogo mikrofitoplanktona pri korrelatzii udalennykh razrezov (na primere izutcheniya aptskikh otlaoshenii severnogo Prikaspia).
In Timoshina, N.A. (editor), Mikrofitofossilii v neftyanoi geologii, p.60-78, pl.1-3; Vsesoyuznyi Neftyanoi Nautchno-Issledovatelskii Geologorazvedochnyi Institut, Leningrad (VNIGRI), Leningrad, Russia.