TY  - BOOK
AU  - Chapin, Charles E.
AU  - Elstore,Wolfgang E.
TI  - Ash-flow tuffs
SN  - 0813721806
PY  - 1979///
CY  - Boulder, Colo
PB  - The Geological Society of America
KW  - Volcanic ash, tuff, etc
N1  - Includes bibliographical references
ER  -