1.
2.
3.
Phys Rev B Condens Matter
; 53(3): 1072-1075, 1996 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-9983558
4.
Phys Rev B Condens Matter
; 51(9): 5628-5634, 1995 Mar 01.
Article
in English
| MEDLINE
| ID: mdl-9979470