Soviet Journal of Quantum Electronics
Characteristics of concentration quenching of luminescence from the4S3/2level of the Er3+ion in a (Y1 –xErx)3Al2O5crystal
Tasoltan T. Basiev, Şerban Georgescu, V I Zhekov, Voicu Lupei, T. M. Murina, A M Prokhorov, М. И. Студеникин