000 002950000a22001210004500
008 151029t1983 xxu||||| |||| 00| 0 eng d
041 _aeng
080 _a622.1:550.34
_bS4
942 _cBK
100 _aSengbush, Ray L.
245 _aSeismic exploration methods
260 _aBoston
_bIHRDC
_c1983
999 _c141718
_d141718