Individual differences in the sexual behaviour of male rhesus monkeys (Macaca mulatta) under laboratory conditions.

@article{Michael1967IndividualDI,
  title={Individual differences in the sexual behaviour of male rhesus monkeys (Macaca mulatta) under laboratory conditions.},
  author={Richard P. Michael and G. S. Saayman},
  journal={Animal behaviour},
  year={1967},
  volume={15 4},
  pages={460-6}
}