1.
Phys Rev B Condens Matter
; 39(9): 6156-6168, 1989 Mar 15.
Article
in English
| MEDLINE
| ID: mdl-9949041
2.
Phys Rev B Condens Matter
; 35(11): 5822-5829, 1987 Apr 15.
Article
in English
| MEDLINE
| ID: mdl-9940796