Alakshin, E.; Tagirov, M.; Safiullin, K.; Safin, T.; Rodionov, A.; Orlinskii, S.; Klochkov, A.; Gazizulina, A.; Gazizulin, R.; Zakharov, M. Comments on the Cross-Relaxation Effect Between Adsorbed ³He and PrF₃ Nanoparticles. Fiz. Nizk. Temp. 2014, 41, 62-64.