000 00281nam a2200121Ia 4500
001 78273
008 240126s9999||||xx |||||||||||||| ||und||
245 0 _aMonoclinic: centre of symmetry, CC-13
260 _aHyderabad
260 _bCreative Educators
260 _c1990
942 _cBK
999 _c78273
_d78273