1.
Phys Rev B Condens Matter
; 40(17): 11799-11803, 1989 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9991786
2.
Phys Rev B Condens Matter
; 36(17): 9267-9270, 1987 Dec 15.
Article
in English
| MEDLINE
| ID: mdl-9942795