TY  - BOOK
ED  - National Museum of Nature and Science
TI  - National Museum of Nature and Science Monographs: : Campanian (Late Cretaceous) ammonoids and inoceramids from the Ribira River area, Hokkaido, northern Japan
SN  - 1881-9109
CY  - Tokyo
PB  - : National Museum of Nature and Science
ER  -