Bahari, Hamid-Reza Infrared study of Er(3+)/Yb(3+) Co-Doped GeO(2)-PbO-Bi(2)O(3) glass. [electronic resource] - International journal of molecular sciences 2012 - 8609-8614 p. digital Publication Type: Journal Article ISSN: 1422-0067 Standard No.: 10.3390/ijms13078609 doi Subjects--Topical Terms: Bismuth--chemistryErbium--chemistryGermanium--chemistryGlass--chemistryLead--chemistryOxides--chemistrySpectroscopy, Fourier Transform InfraredYtterbium--chemistry