000 00507nam a2200217Ia 4500
003 OSt
005 20220928151418.0
006 a|||||r|||| 00| 0
007 ta
008 220927b |||||||| |||| 00| 0 eng d
024 _a125713
037 _cTextual
040 _aSDCL
_cSDCL
_beng
041 _2eng
_aeng
082 _aB217, L4
100 _aRingel G
_9517397
245 0 _aMap color theorem
260 _c1974
942 _hB217, L4
_cTEXL
_2CC
999 _c851538
_d851538