1.
Phys Rev B Condens Matter
; 42(12): 7637-7640, 1990 Oct 15.
Article
in English
| MEDLINE
| ID: mdl-9994916
2.
Phys Rev B Condens Matter
; 41(5): 3113-3116, 1990 Feb 15.
Article
in English
| MEDLINE
| ID: mdl-9994086