References
- Crannell , C. W. 1942 . The choice point behavior of rats in a multiple path elimination problem . J. of Psychol. , 13 : 201 – 222 .
- Lachman , S. J. and Brown , C. R. 1957 . Behavior in a free choice multiple path elimination problem . J. of Psychol. , 43 : 27 – 40 .
- Tolman , E. C. 1926 . A behavioristic theory of ideas . Psychol. Rev. , 33 : 352 – 369 .
- Tolman , E. C. 1932 . Purposive Behavior in Animals and Men New York : Century. .