@misc{indiciae08c190cbcb0e,
  title = {A program of research on coupling relations in research and development},
  author = {Douds, C. F. and Rubenstein, A. H.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700047294},
  note = {Source identifier: 19700047294}
}