@misc{indiciae170185628139,
  title = {Observing behavior in squirrel monkeys under a multiple schedule of reinforcement availability},
  author = {Clark, F. C. and De Lorge, J. O.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710062164},
  note = {Source identifier: 19710062164}
}