000 00297 a2200109 4500
005 20220617032505.0
022 _a8750 7587
245 _aJournal of Applied Behavior Analysis
260 _aNew York
_bThe Society for the Experimental Analysis of Behavior
_c1979
490 _vVol. 12
942 _2lcc
_cCR
999 _c30181
_d30181