sci
hub

to open science
Karpushko, F. V., Saskevich, N. A., & Sinitsyn, G. V. (1995). Absorption in a LiF-OH−∶F 2 + crystal induced by flash pumping. Journal of Applied Spectroscopy, 62(1), 134–140. doi:10.1007/bf02606581 
10.1007/bf02606581