1.
Phys Rev B Condens Matter
; 39(17): 12989-12992, 1989 Jun 15.
Article
in English
| MEDLINE
| ID: mdl-9948191
2.
Phys Rev B Condens Matter
; 39(15): 10969-10972, 1989 May 15.
Article
in English
| MEDLINE
| ID: mdl-9947908