186Astudyorpreparationof一uminophor(2一x,)A12o3一35502:5102:Eu升,Biusingmetalalkoxidesandsts一uminescentbehavior,LiBinetaloSPeeialGlasses,1990,7(3),44.18,^n一nvestigationonpreparationofluminophorCao一BZo3一5102:Eu3+,Bibysol一gelmethodanditsl恤ineseentbe-havior,LiBlnetal.,SPeCial