@article{Li-2013-APS,
	doi = {10.7498/aps.62.137801},
	year = {2013},
	volume = {62},
	pages = {137801},
	author = {Li, Q. Q. and Han, W. P. and Zhao, W. J. and Lu, Y. and Zhang, X. and Tan, P. H. and Feng, Z. H. and Li, J.},
	title = {Raman spectra of monoand bi-layer graphenes with ion-induced defects-and its dispersive frequency on the excitation energy},
	journal = {Acta Phys. Sin.}
}