@misc{indiciae76cf65d1fc96,
  title = {A microcomputer-based data acquisition and control system for the direct shear, ring shear, triaxial shear, and consolidation tests},
  author = {Philip S. Powers},
  year = {1983},
  doi = {10.3133/ofr83491},
  url = {https://pubs.usgs.gov/publication/ofr83491},
  note = {Source identifier: ofr83491}
}