1.
Phys Rev B Condens Matter
; 33(2): 690-694, 1986 Jan 15.
Article
in English
| MEDLINE
| ID: mdl-9938325
2.
Phys Rev B Condens Matter
; 32(5): 3351-3353, 1985 Sep 01.
Article
in English
| MEDLINE
| ID: mdl-9937469