000 00365nam a22001577a 4500
005 20250106155633.0
008 250106b |||||||| |||| 00| 0 eng d
040 _aMAIN
041 _aEnglish
082 _a338.9
_bB458S
100 _aBettelheim, Charles
_94702
245 _aSome basic planning problems
260 _bAsia
_c1963
300 _a68p.
942 _cPF
999 _c74421
_d74421