TY  - RPRT
TI  - Comparison of structural and least-squares lines for estimating geologic relations
AU  - G. P. Williams
AU  - B.M. Troutman
PY  - 1990
DO  - 10.1007/bf00890122
UR  - https://pubs.usgs.gov/publication/70015955
ID  - 70015955
ER  -