Dong, H.-N., and R. Zhang. “Theoretical Studies of the EPR Parameters and Local Structure for the Trigonal Yb3+ Center in YAl3(BO3)4 Crystal”. Revista Mexicana De Física, vol. 65, no. 1 Jan-Feb, Dec. 2018, pp. 1-4, doi:10.31349/RevMexFis.65.1.