000 00279nam a2200121Ia 4500
001 78257
008 240126s9999||||xx |||||||||||||| ||und||
245 0 _aHexagonal: centre of symmetry CC-II
260 _aHyderabad
260 _bCreative Educators
260 _c1990
942 _cBK
999 _c78257
_d78257