TY  - BOOK
AU  - Ingersoll,Raymond V.
AU  - Nilsen,Tor Helge
TI  - Sacramento Valley symposium and guidebook
T2  - Pacific section
AV  - QE90 .S103 S22
PY  - 1990///
CY  - Los Angeles, Calif.
PB  - Pacific Section of the Society of Economic Paleontologists and Mineralogist
N1  - Incluye bibliografia
ER  -