000 00284nam a2200133Ia 4500
003 IN-KoSCC
008 211107s9999 000 0 eng
082 _a510.8-10
100 1 _aHall,H.S
245 1 _aEssay graphs
260 _c1905
653 _aMathematics General
942 _cBK
999 _c33259
_d33259