Fossil foraminifera of the USSR: Globigerinidae, Hantkeninidae and Globorotaliidae /
Subbotina, N. N.
Lees, Eric.
Wellingborough Collet's
1971
Originally published as 'Iskopaemye foraminifery SSSR (Globigerinidy, Khantkeninidy i Globorotaliidy)'. Leningrad: Gostekhizdat, 1953
Foraminifera, Fossil