Phys. Rev. B

Howes, P.B, Norris, C, Finney, M.S, Vlieg, E, & van Silfhout, R. (1993). Structure of Ge(111)Ö3xÖ3R 30°-Au determined by surface x-ray diffraction. Phys. Rev. B, 48, 1632–1642.