@misc{indiciaed5f284e483a3, title = {Impurity-induced optical fluorescence in MnF sub 2.}, author = {Feigelson, R. S. and Greene, R. L. and Guggenheim, H. J. and Imbusch, G. F. and Sell, D. D.}, year = {1968}, url = {https://ntrs.nasa.gov/citations/19680055053}, note = {Source identifier: 19680055053} }