TY  - RPRT
TI  - Evidence for prosauropod dinosaur gastroliths in the Bull Run Formation (Upper Triassic, Norian) of Virginia
AU  - Robert E. Weems
AU  - Michelle J. Culp
AU  - Oliver Wings
PY  - 2007
DO  - 10.1080/10420940601050030
UR  - https://pubs.usgs.gov/publication/70030033
ID  - 70030033
ER  -