1.
2.
Phys Rev B Condens Matter
; 48(7): 4503-4515, 1993 Aug 15.
Article
in English
| MEDLINE
| ID: mdl-10008929
3.
Phys Rev B Condens Matter
; 46(23): 15538-15541, 1992 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-10003684
4.
5.