000 00586nam a2200229Ia 4500
003 OSt
005 20220928141435.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a15000
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aB316:251, L7
100 _aSaaty Thomos L
_9500141
245 0 _aFour -color problem.
260 _c1977
700 _a Kainen Paul C
_9500142
942 _hB316:251, L7
_cTEXL
_2CC
999 _c817409
_d817409