. . . . . . . . . "1904" . . . . . . . . . . "B. F. Skinner" . . . . . . . . . . . . "Skinner's" . . . . "Skinner's pigeon experiments" . . . . . . . . . . "1990-08-18" . . . . . . . "Skinner" . . . . . . . "B.F Skinner" . . . . . . . . . "Skinner, B.F." . "Superstition in the Common Pigeon" . "B. F. Skinner" . . . . . . . . . . . . . . . . . "neo-Skinnerian" . . . . . . . . "1990" . "B. F. Skinner" . . "Air-Crib" . . "Skinner\u2019s" . . . . . . . . "Burrhus Skinner" . . . . . . . . . . . . . . . . . "B. F. Skinner's" . . "B. F. Skinner#Air crib" . . . . . . . . . . . . . . . . . . . . . . . . . . . "B._F._Skinner#Superstition_in_the_pigeon" . . . . . . . . "B. F. Skinner's" . "Skinnerian" . . . . "Burrhus Frederic Skinner" . . . . . . . . . . . . . . . . "Burrhus Frederic Skinner" . . . . . . . "A. J. Skinner" . . . . . . "C. Skinner" . . . . . . "Skinner\u2019s pigeons" . . . . . . "A. S. Skinner" . . . . . . . . . . . . . "B. F. Skinner#Superstition in the pigeon" . . . "B.F. Skinner" . . . . . . . "B. F Skinner" . . . . "teaching machine" . . . . . . . "1904-03-20" . .