TY  - BOOK
AU  - Richter,Charles F
TI  - Elementary Seismology
U1  - 551.22 
PY  - 1958///
CY  - San Francisco
PB  - W H Freeman and company
KW  - Earthquakes
KW  - Seismology
N1  - Contents: Pt.1.Nature and observations of earthquakes- Pt.2.Geography and Geology of earthquakes- Pt.3. Appendixes
ER  -