TY  - BOOK
AU  - Okal,Emile A.
TI  - Advances in volcanic seismology
SN  - 0817619275
PY  - 1987///
CY  - Boston, Mass.
PB  - Birkhauser Verlag
KW  - Volcanizm
KW  - Seismology
N1  - Reprint Pure and Applied Geophysics; Includes bibliographical references
ER  -