TY  - GEN
AU  - Stephen J. Godfrey
TI  - The Geology and Vertebrate Paleontology of Calvert Cliffs, Maryland, USA - volumen 2.
U1  - 591.4973 22
PY  - 2023///
CY  - Washinton - EE. UU.
PB  - Smithsonian Scholary Press Washinton, DC.
ER  -