1.
2.
Phys Rev B Condens Matter
; 50(24): 18682-18685, 1994 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9976314
3.
Phys Rev B Condens Matter
; 47(3): 1407-1411, 1993 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-10006153
4.
5.
6.
Phys Rev B Condens Matter
; 42(8): 5403-5406, 1990 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9996122