MARC全文
02a0030498;20011205d1999 ekmy0engy01;eng;a z 000yy;r;Twin vertical-seismic-profile (VSP) simulation of crosswell seismic tomography;James L. Simmons, Jr;Austin;Bureau of Economic Geology, The University of Texas at Austin;1999;iii, 35 p.;ill;Report of Investigations;University of Texas. Bureau of Economic Geology (Austin);no.254;2001b;aReport of Investigations ; fUniversity of Texas. Bureau of Economic Geology(Austin) ; vno.254;TVSC 地震层析技术;Inversion ; Tomography ; VSP;a631;Simmons;James L., Jr.;101;EB00060574;P;406.6;R29;v254 ; r1026.82;a03;b1;cP