TY  - BOOK
AU  - Boucek, Bedrich.
AU  - Hort, Greta.
TI  - The Dendroid Graptolites of The Silurian of Bohemia
U1  - 561.19437 
CY  - V Praze
PB  - Nakladatelstvi ceskoslovenske akademia
KW  - Paleontology 	
KW  - Silurian Geologic Period 	
ER  -