TY  - BOOK
AU  - Bullen, K. E.
TI  - An introduction to the theory of seismology
AV  - QE534 .B85 1953
U1  - 551.2 
PY  - 1953///
CY  - Cambridge [Eng.]
PB  - University Press
KW  - Seismology
N1  - Includes bibliography
ER  -