1.
Phys Rev D Part Fields
; 50(2): 720-729, 1994 Jul 15.
Article
in English
| MEDLINE
| ID: mdl-10017774
2.
Phys Rev B Condens Matter
; 39(2): 1411-1414, 1989 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-9948342