共 37 条
[31]
Sheffield F. D, 1965, CLASSICAL CONDITION
[32]
Skinner B.F, 1938, BEHAV ORGAN EXP ANAL
[33]
STEPIEN I, 1974, ACTA NEUROBIOL EXP, V34, P145
[34]
WASSERMAN EA, 1972, THESIS INDIANA U
[35]
Wike EL, 1966, SECONDARY REINFORCEM