1.
Phys Rev B Condens Matter
; 48(21): 15719-15731, 1993 Dec 01.
Article
in English
| MEDLINE
| ID: mdl-10008124
2.
3.
Phys Rev B Condens Matter
; 39(6): 3579-3584, 1989 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-9948674
4.