TY  - RPRT
TI  - A comprehensive system for interpreting seismic-refraction arrival-time data using interactive computer methods
AU  - Hans D. Ackermann
AU  - Leroy W. Pankratz
AU  - D.A. Dansereau
PY  - 1982
DO  - 10.3133/ofr821065
UR  - https://pubs.usgs.gov/publication/ofr821065
ID  - ofr821065
ER  -