1.
2.
Phys Rev B Condens Matter
; 50(19): 14686-14689, 1994 Nov 15.
Article
in English
| MEDLINE
| ID: mdl-9975710
3.
Phys Rev B Condens Matter
; 50(16): 11459-11465, 1994 Oct 15.
Article
in English
| MEDLINE
| ID: mdl-9975275