Pulsed EPR spectroscopy of the VKA center in CaF2:Na Gavasheli, T. A. ; Daraseliya, D. M. ; Dzhaparidze, D. L. ; Mirianashvili, R. I. ; Sanadze, T. I. Abstract Publication: Physics of the Solid State Pub Date: September 1998 DOI: 10.1134/1.1130578 Bibcode: 1998PhSS...40.1470G