@article{id_5477, title = "C-13 and H-1 MAS NMR studies of graphite oxide and its chemically modified derivatives", author = "A. Lerf, HY. He, T. Riedl, M. Forster, J. Klinowski", journal = "Solid State Ionics", volume = "101", year = "1997", url = "http://dx.doi.org/10.1016/S0167-2738(97)00319-6", }