1.
2.
Phys Rev B Condens Matter
; 41(8): 5258-5265, 1990 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9994387
3.
Phys Rev B Condens Matter
; 37(1): 603-606, 1988 Jan 01.
Article
in English
| MEDLINE
| ID: mdl-9943630