Photoluminescence of bismuth orthogermanate single crystals Baltramiejunas, R. ; Buračas, S. ; Pirogov, E. N. ; Ryzhikov, V. D. ; Tamulaitis, G. ; Žukauskas, A. Abstract Publication: Physica Status Solidi Applied Research Pub Date: October 1991 DOI: 10.1002/pssa.2211270230 Bibcode: 1991PSSAR.127..535B