01529nam 2200385Ia 450 991069872240332120090424092451.0(CKB)5470000002396634(OCoLC)319155542(EXLCZ)99547000000239663420090424d1983 ua 0engurmn||||a||||txtrdacontentcrdamediacrrdacarrierComputer program modifications of Open-file report 82-1065[electronic resource] a comprehensive system for interpreting seismic-refraction and arrival-time data using interactive computer methods /by Hans D. Ackermann, Leroy W. Pankratz, Danny A. Dansereau[Reston, Va.] :U.S. Dept. of the Interior, Geological Survey,1983.2 pages ;28 cmOpen-file report ;83-604Title from title screen (viewed Apr. 24, 2009).Includes bibliographical references (page 2).Computer program modifications of Open-file report 82-1065 Seismic refraction methodComputer programsSeismic refraction methodComputer programs.Ackermann Hans D1398711Pankratz Leroy W1398712Dansereau Danny1398713Geological Survey (U.S.)GPOGPOBOOK9910698722403321Computer program modifications of Open-file report 82-10653462499UNINA