@article {PhysRevB.41.1262,
	title = {Electronic states due to surface doping: Si(111)√3{\texttimes}√3-B},
	journal = {Phys. Rev. B},
	volume = {41},
	year = {1990},
	month = {Jan},
	pages = {1262{\textendash}1265},
	publisher = {American Physical Society},
	doi = {10.1103/PhysRevB.41.1262},
	author = {Efthimios Kaxiras and K.C. Pandey and Himpsel, F. J. and R.M. Tromp}
}
