1.
Phys Rev B Condens Matter
; 53(24): R16133-R16136, 1996 Jun 15.
Article
in English
| MEDLINE
| ID: mdl-9983515
2.
Phys Rev B Condens Matter
; 48(12): 8715-8741, 1993 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-10007086
3.
Phys Rev B Condens Matter
; 45(20): 11672-11684, 1992 May 15.
Article
in English
| MEDLINE
| ID: mdl-10001181