000 00268nam a2200121Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a516.33 N77 BAL
100 _aBALI N P
245 _aANALYTICAL SOLID GEOMETRY
260 _c1977
300 _a499
999 _c10973
_d10973