TY  - BOOK
AU  - Udías Vallina, Agustín.
TI  - Principles of seismology
SN  - 0521624347;0521624789 (pbk.)
U1  - 551.22 21
PY  - 1999///
CY  - Cambridge ;;New York
PB  - Cambridge University Press
KW  - Seismology
N1  - Includes bibliographical references (p. 458-467) and index
ER  -