000 00409nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a658.401
100 _aTaylor John L.
245 0 _aInstructional planning systems
260 _aNULL
260 _bCambridge At The University Press.
260 _c1971
300 _a190p.
365 _b295.5
650 _aCIVIL
942 _cDBK
999 _c17512
_d17512