00360nam a2200133Ia 4500008004100000020001500041041000800056084001300064100001700077245006000094260003800154653001900192653001500211160808s2000    xx            000 0 eng d  a8176251240  aeng  aH1:82CC  aArora, G. D.  aCrystallography and Crystal structure /cby G. D. Arora  aNew Delhi :bSarup & Sons,c2000.  aCrystallogrphy  aMineralogy