TY  - RPRT
TI  - A method for estimating the uncertainty of seismic velocities measured by refraction techniques
AU  - Roger D. Borcherdt
AU  - J. H. Healy
PY  - 1968
DO  - 10.1785/bssa0580061769
UR  - https://pubs.usgs.gov/publication/70233751
ID  - 70233751
ER  -