TY  - BOOK
AU  - Kraft,John C
TI  - Morphologic and systematic relationship of some middle ordovician ostracoda
U1  - 551.7 KRA  
PY  - 1962///.
CY  - New York : 
PB  - Geological Society of America, 
KW  - Geology, Stratigraphy - Ostracoda
N1  - Includes index
ER  -