TY  - BOOK
AU  - Aki,Keiiti
AU  - Richards,Paul G.
ED  - W. H. Freeman and Company
TI  - Quantitative seismology: theory and methods 
T2  - A Series of books in geology / Allan Cox
SN  - 0716710587
U1  - 551.22 
PY  - 1980///].
CY  - San Francisco: 
PB  - W. H. Freeman and Company, 
KW  - Seismology
KW  - Mathematics
N1  - Includes bibliographical references and index
ER  -