Ackermann, H. D., Pankratz, L. W., & Dansereau, D. (1983). Computer program modifications of Open-file report 82-1065: A comprehensive system for interpreting seismic-refraction and arrival-time data using interactive computer methods. U.S. Dept. of the Interior, Geological Survey.
Chicago Style (17th ed.) CitationAckermann, Hans D., Leroy W. Pankratz, and Danny Dansereau. Computer Program Modifications of Open-file Report 82-1065: A Comprehensive System for Interpreting Seismic-refraction and Arrival-time Data Using Interactive Computer Methods. [Reston, Va.]: U.S. Dept. of the Interior, Geological Survey, 1983.
MLA (9th ed.) CitationAckermann, Hans D., et al. Computer Program Modifications of Open-file Report 82-1065: A Comprehensive System for Interpreting Seismic-refraction and Arrival-time Data Using Interactive Computer Methods. U.S. Dept. of the Interior, Geological Survey, 1983.