@article {145000,
	title = {Tribological properties of graphene nanosheets as an additive in calcium grease},
	journal = {Journal of Dispersion Science and Technology },
	volume = {38},
	year = {2017},
	pages = {1495-1500},
	author = {Kamel, B.M and Mohamed and El Sherbiny, M., and Abed, K.A.,}
}
