000 00415nam a2200145Ia 4500
008 201214s9999 xx 000 0 und d
100 _aTrott, Andrew, Strongman, Harry and Giddins, Les
245 0 _aAspects of Educational Technology- vol.XVI : Improving Efficiency in Education and Training
260 _aLondon
260 _bKogan Page
260 _c1983
300 _a237
490 _vVol.-XV
942 _cBK
999 _c5734
_d5734