(1)
Mironova-Ulmane, N.; Popov, A. I.; Krieke, G.; Antuzevics, A.; Skvortsova, V.; Elsts, E.; Sarakovskis, A. Low-Temperature Studies of Cr3+ Ions in Natural and Neutron-Irradiated Mg-Al Spinel. Fiz. Nizk. Temp. 2020, 46, 1359-1364.