TY  - BOOK
AU  - Aki K
AU  -  Richards P G
TI  - Quantitative seismology: theory and methods
U1  - H4132:(B), M0.1 
PY  - 1980///
CY  - San Francisco 
PB  -  W H Freeman      
KW  -  Dynamic geology
KW  -  Earthquake
KW  - Geology
ER  -