000 00414pam a2200157a 44500
008 160408b1969 xxu||||| |||| 00| 0 eng d
082 _a616.891
_bT329
100 _aTharp, Rol
245 1 _aBEHAVIOR MODIFICATION IN THE NATURAL ENVIRONMENT
260 _aNew York
_bAcademic Press
_c1969
300 _a236
650 _aBehavior Therapy
700 _aWetzel, Ralph J.
964 _gCIRC
997 _aA20358 C
999 _c246746
_d246746