000
003040000a22001330004500
245
_a
An introduction to the theory of seismology
100
_a
Bullen, K.E.
100
_a
Bolt, B.A.
250
_a
4th ed.
260
_a
Cambridge
_b
CUP
_c
1985
080
_a
550.34
_b
B8
041
_a
EN
942
_c
BK
999
_c
120434
_d
120434