@misc{indiciae09a6e81bf1cc,
  title = {Concept to standardize space vehicle piggyback experiment modules},
  author = {Cummings, A. and Dowdy, W. and Morita, W. H.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680000038},
  note = {Source identifier: 19680000038}
}