TY  - RPRT
TI  - Ostracodes from the upper part of the Sundance formation of South Dakota, Wyoming, and southern Montana
AU  - Frederick M. Swain
AU  - James A. Peterson
PY  - 1952
DO  - 10.3133/pp243a
UR  - https://pubs.usgs.gov/publication/pp243A
ID  - pp243A
ER  -