Spectral-kinetic characteristics of crystals and nanoceramics based on BaF2 and BaF2: Ce. Physics of the Solid State volume 52, pages1910–1914 (2010). 

A. Rodnyĭ, S. D. Gain, I. A. Mironov, E. A. Garibin, A. A. Demidenko, D. M. Seliverstov, Yu. I. Gusev, P. P. Fedorov, S. V. Kuznetsov. Spectral-kinetic characteristics of crystals and nanoceramics based on BaF2 and BaF2: Ce. Physics of the Solid State volume 52, pages1910–1914 (2010). 

DOI:10.1134/S1063783410090209