Published in: Progress of theoretical physics ; 44

Published in: Springer series in solid-state sciences ; 96

Published in: Progress of Theoretical Physics

Published in: Physical Review B

Published in: Zeitschrift f�r Physik B Condensed Matter

Published in: Surface Science

Published in: Surface Science Letters

Published in: Physica Scripta

Published in: Journal of Physics C: Solid State Physics

Published in: Surface Science

Published in: Surface Science Letters

Published in: Solid State Communications

Published in: Physica B+C

Published in: Physica B+C

Published in: Physica B+C

Published in: Physica B+C

Published in: Annalen der Physik

Published in: Surface Science