TY  - BOOK
AU  - Postuma,J.A., x
AU  - x
TI  - Manual of planktonic forminifera: x
SN  - 0444409092
U1  - 563.1/P858m 
PY  - 1971///
CY  - London ; New York
PB  - Elsevier Pub
KW  - Protozoa
N1  - Includes
ER  -