1.
Phys Rev B Condens Matter
; 51(4): 2239-2251, 1995 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-9978973
2.
Phys Rev B Condens Matter
; 37(11): 6547-6550, 1988 Apr 15.
Article
in English
| MEDLINE
| ID: mdl-9943914