Dolbin, A.; Khlistyuck, M.; Esel`son, V.; Gavrilko, V.; Vinnikov, N.; Basnukaeva, R.; Maluenda, I.; Maser, W.; Benito, A. The Effect of the Temperature of Graphene Oxide Reduction on Low-Temperature Sorption of ⁴He. Fiz. Nizk. Temp. 2015, 42, 75-78.