000 00298nam a2200121Ia 4500
008 161118s2016 xx 000 0 und d
082 _a371.3 DAV-C
100 _aDavis, R.H. & Others
245 0 _aLearning System Design
260 _aNew York
_bMcGraw-Hill
_c1974
300 _a342p.
942 _2ddc
999 _c13261
_d13261