000 00285nam a2200109Ia 4500
008 220510s1997 xx 000 0 und d
041 _aeng
082 _a371.2
_bNOR
100 _aNorton,M Scott,
_9775819
245 _aResource Allocation
260 _aNew York:
_bEye on Education,
_c1997
999 _c526027
_d526027