Sipho-cameral structures in some Silurian cephalopods from the Barrandian area (Bohemia). Ivan Kolebaba
New data and revision of three gymnosperms from the Cenomanian of Bohemia - Sagenopteris variabilis (VELENOVSKÝ) VELENOVSKÝ, Mesenea bohemica (CORDA) comb. n. and Eretmophyllum obtusum (VELENOVSKÝ) comb. n. Jiří Kvaček
Neue oder wenig bekannte Pflanzenarten aus den Perucer Schichten (Cenoman) der Bohmisschen Masse. Erwin Knobloch