1.
Phys Rev B Condens Matter
; 40(9): 6454-6457, 1989 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9992729
2.
Phys Rev B Condens Matter
; 39(8): 5562-5565, 1989 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9948963