1.
Phys Rev B Condens Matter
; 51(11): 7207-7216, 1995 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9977284
2.
Phys Rev D Part Fields
; 45(8): 2893-2905, 1992 Apr 15.
Article
in English
| MEDLINE
| ID: mdl-10014681
3.
Phys Rev B Condens Matter
; 39(4): 2012-2021, 1989 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9948433