000 003550000a22001570004500
003 BGCL
020 _c33.60
040 _aBGCL
082 _a530
_bphy 94
245 _aAn Introduction to the Theory of Seismology
_cby Bullen
260 _aNew York
_bCambridge University Press
650 _aPHY.
041 _aeng
700 _aBullen, x
942 _cBOOK
999 _c13829
_d13829