000 00270nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aM K Singal/ Asha Rani Singal
245 0 _aTopics in geometry II
260 _aNew Delhi
_bR Chand
_c1998
650 _aMath
942 _cBK
999 _c9891
_d9891