Behavioral comparisons of nervous, stable, and crossbred pointers at ages, 2, 3, 6, 9, and 12 months.

@article{Murphree1969BehavioralCO,
  title={Behavioral comparisons of nervous, stable, and crossbred pointers at ages, 2, 3, 6, 9, and 12 months.},
  author={O D Murphree and James E. Peters and Roscoe A. Dykman},
  journal={Conditional reflex},
  year={1969},
  volume={4 1},
  pages={20-3}
}