000 00451nam a2200169Ia 4500
008 170101s1962 xx 000 0 und d
082 _a620.8 G12P
100 _aGAGNE, Robert M.
245 0 _aPsychological principles in system development
260 _bN. Y.
_c1962
300 _a560p
650 _aMAN -- MACHINE SYSTEMS
653 _aHUMAN ENGINEERING
653 _aMAN -- MACHINE SYSTEMS
653 _aSYSTEMS ENGINEERING
942 _2ddc
_cB
999 _c78412
_d78412