The influence of two variables upon the establishment of a secondary reinforcer for eperant responses
Published: 1951
Place of publication: [n.p
Language: eng
Number of pages: 73
Subjects: Conditioned response.; Animal intelligence.
Notes: "References": p. 72-73.
Thesis--Columbia university.
Cover title.
"Reprinted from the Journal of experimental psychology, vol. 41, no. 1, January, 1951."