TY  - BOOK
AU  - Bolt, B.A.  .
TI  - Reading from scientiic american earthquakes and volcanoes / 
SN  - 0-7167-1163/X
U1  - H411-4143 
PY  - 1980///
CY  - New York : 
PB  - W.H.Freeman and Company , 
KW  - Geology
ER  -