@article {10721,
	title = {A new carbon allotrope with six-fold helical chains in all-sp 2 bonding networks},
	journal = {Scientific Reports},
	year = {2014},
	doi = {10.1038/srep04339},
	author = {Jian-Tao Wang and Changfeng Chen and Enge Wang and Yoshiyuki Kawazoe}
}
