000 00286nam a2200121Ia 4500
001 78246
008 240126s9999||||xx |||||||||||||| ||und||
245 0 _aCC21-Rhombohedral: vertical diagnol planes
260 _aHyderabad
260 _bCreative Educators
260 _c1990
942 _cBK
999 _c78246
_d78246