@article{Tan-1997-JRS,
        doi = {10.1002/(SICI)1097-4555(199705)28:5<369::AID-JRS107>3.0.CO;2-X},
	year = {1997},
	volume = {28},
	pages = {369-372},
	author = {Tan, P. H. and Zhang, S. L. and Yue, K. T. and Huang, F. M. and Shi, Z. J. and Zhou, X. H. and Gu, Z. N.},
	title = {Comparative {R}aman study of carbon nanotubes prepared by dc arc discharge and catalytic methods},
	journal = {Journal of Raman Spectroscopy}
}