@article {10658,
	title = {Calcium as the superior coating metal in functionalization of carbon fullerenes for high-capacity hydrogen storage},
	journal = {Physical Review Letters},
	year = {2008},
	doi = {10.1103/PhysRevLett.100.206806},
	author = {Mina Yoon and Shenyuan Yang and Christian Hicke and Enge Wang and David Geohegan and Zhenyu Zhang}
}
