共 51 条
[4]
BRANDAUER CM, 1958, THESIS COLUMBIA U NE
[7]
de Villiers P.A., 1977, HDB OPERANT BEHAVIOR, P233
[8]
DEVILLIERS PA, 1976, PSYCHOL BULL, V83, P1131, DOI DOI 10.1037/0033-2909.83.6.1131
[9]
Ferster CB, 1957, APPLETON CENTURY CRO