@article{Southwick1967,
  author    = {Southwick, Charles H.},
  title     = {An Experimental Study of Intragroup Agnostic Behavior in Rhesus Monkeys (Macaca mulatta)},
  journal   = {Behavior, Vol. 28 (1967), pp. 182-209.},
  year      = {1967},
  language  = {en}
}