000 00414nam a2200169Ia 4500
008 211115s9999 xx 000 0 und d
020 _a0-13-072611-7
041 _aeng
082 _a8(SN1)
_bL5
100 _aFerster, C.B..
245 0 _aBehavior Principles /
250 _aSecond Ed. /
260 _aNew Jersey :
_bPrentice-Hall. Inc. ,
_c1989
300 _ap702 :
650 _aCommerce
942 _cTB
999 _c19717
_d19717