1.
Phys Rev B Condens Matter
; 53(6): 3455-3458, 1996 Feb 01.
Article
in English
| MEDLINE
| ID: mdl-9983858
2.
Phys Rev B Condens Matter
; 50(7): 4933-4936, 1994 Aug 15.
Article
in English
| MEDLINE
| ID: mdl-9976815