TY  - SER
AU  - Keupp,Helmut
ED  - Symposium international sur les algues fossiles, 2International symposium on fossil algae, 2
TI  - Lower cretaceous calcisphaerulidae and their relationship to calcareous dinoflagellate cysts
SN  - 03962687
KW  - Dinoflagellata
KW  - Classification
KW  - Crétacé inf
KW  - Allemagne
N1  - bibliogr. p. 660, 662
ER  -