TY  - BOOK
AU  - Williams,Howel
AU  - McBirney,Alexander R.
TI  - Volcanology
U1  - 551.2 
PY  - 1979///
CY  - San Francisco, CA
PB  - Freeman, Cooper
KW  - Volcanoes
KW  - Volcanic ash, tuff, etc
KW  - Volcanism
N1  - Includes index
ER  -