1. XIII. On the atomic weight of graphite;Brodie;Phil. Trans. Roy. Soc. Lond.,1859
2. Verfahren zur darstellung der graphitsäure;Staudenmaier;Eur. J. Inorg. Chem.,1898
3. Preparation of graphitic oxide;Hummers;J. Am. Chem. Soc.,1958
4. Improved synthesis of graphene oxide;Marcano;ACS Nano,2010
5. High-efficient synthesis of graphene oxide based on improved hummers method;Yu;Sci. Rep.,2016