@misc{1192681,
  author = {Felix Y Yokel},
  title = {Recommended technical provisions for construction practice in shoring and sloping of trenches and excavations:},
  year = {1980},
  month = {1980-01-01 05:01:00},
  publisher = {Building Science Series, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.BSS.127},
  language = {en},
}