@misc{indiciae7be81cf6063a,
  title = {Utilization of simulation tools in the HL-20 conceptual design process},
  author = {Jackson, E. B. and Powell, Richard W. and Ragsdale, W. A.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910063215},
  note = {Source identifier: 19910063215}
}