@article {19,
	title = {Scanning-tunneling microscopy and first-principles theory of the Sn/GaAs (110) surface},
	journal = {Phys. Rev. B},
	volume = {40},
	year = {1989},
	pages = {10044},
	author = {C.K. Shih and E. Kaxiras and R.M. Feenstra and K.C. Pandey}
}
