@misc{indiciaec3ecffd5d98e,
  title = {Common Graphics Library (CGL). Volume 2: Low-level user's guide},
  author = {Taylor, Nancy L. and Hammond, Dana P. and Theophilos, Pauline M.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890016226},
  note = {Source identifier: 19890016226}
}