000 00303nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a516.9
_bKEL
100 _aKelly, Paul
245 _aNon - euclidean, hyperbolic plane : its structure and consistency
260 _bSpringer - Verlag
_aNew York
_c1981
999 _c142156
_d142156