TY  - RPRT
TI  - In Situ geomechanics of crystalline and sediment rocks; Part VIII, Anisotropic characterization of Pierre Shale; preliminary results
AU  - H.S. Swolfs
AU  - T. C. Nichols
PY  - 1987
DO  - 10.3133/ofr87417
UR  - https://pubs.usgs.gov/publication/ofr87417
ID  - ofr87417
ER  -