Kee, S. C. (1991). Fluorescence and upconversion in CaF2: Ho3+.
Chicago Style (17th ed.) CitationKee, Siew Cheng. Fluorescence and Upconversion in CaF2: Ho3+. 1991.
MLA (8th ed.) CitationKee, Siew Cheng. Fluorescence and Upconversion in CaF2: Ho3+. 1991.
Warning: These citations may not always be 100% accurate.