Computer 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.
Imprint
[Reston, Va.] : U.S. Dept. of the Interior, Geological Survey, 1983.