000 00282nam a2200121Ia 4500
005 20260205042017.0
008 260111s9999||||xx |||||||||||||| ||und||
100 _aBETHELHEIM C
245 0 _aSOME BASIC PLANNING PROBLEMS
260 _aN.D.
_bASIA
_c1961
300 _a68
942 _cBK
999 _c25166
_d25166