TY  - BOOK
AU  - Drooger,Cornelis Willem
AU  - Marks,P.
AU  - Papp,A.
TI  - Smaller radiate nummulites of Northwestern Europe
PY  - 1971///
CY  - Langbroek
PB  - Schotanus and Jens
KW  - Nummulites
N1  - includes bibliographical references
ER  -