TY  - BOOK
AU  - Hay,Oliver P.
TI  - The pleistocene of the Middle region of North America and its vertebrated animals
T2  - Carnegie Inst. of Washington
PY  - 1924///
CY  - Washington
PB  - Carnegie Institution
KW  - Paleontología
KW  - Paleozoología
KW  - Vertebrata
KW  - América del Norte
KW  - Libro
ER  -