@misc{indiciae07d2657cbdc0,
  title = {Preliminary structural evaluation and design of the HL-20},
  author = {Bush, Lance B. and Robinson, James C. and Wahls, Deborah M.},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19930069744},
  note = {Source identifier: 19930069744}
}