@misc{indiciaeadb883a81deb,
  title = {Instructional monographs for classroom and self-study use},
  author = {Mccollom, K. A. and Overton, R. L.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19710034582},
  note = {Source identifier: 19710034582}
}