TY  - RPRT
TI  - A two-layer, multiple-coverage seismic refraction method with computer programs in BASIC to expedite its application
AU  - W.P. Hasbrouck
PY  - 1990
DO  - 10.3133/ofr90266
UR  - https://pubs.usgs.gov/publication/ofr90266
ID  - ofr90266
ER  -