Yagotintsev, K.; Stetsenko, Y.; Legchenkova, I.; Prokhvatilov, A.; Strzhemechny, M.; Schafler, E.; Zehetbauer, M. Process of Intercalation of C₆₀ With Molecular Hydrogen from XRD Data. Fiz. Nizk. Temp. 2009, 35, 315-319.