00806nam0 2200265 450 00000184020080707172659.00-521-29146-120000929d1976----km-y0itay50------baengUSApplied geophysicsW. M. Telford, L. P. Geldart, R. E. Sheriff, D. A. KeysCambridgeCambridge university press1976XV, 860 p.ill.23 p.Geofisica550Telford,William Murray442191Geldart,L. P.442192Sheriff,Robert E.442193Keys,D .A.630053ITUNIPARTHENOPERICAUNIMARC000001840PISTP1 551-A/22578620001006Applied geophysics1223919UNIPARTHENOPE