1.
Phys Rev B Condens Matter
; 43(7): 5784-5787, 1991 Mar 01.
Article
in English
| MEDLINE
| ID: mdl-9997980
2.
Phys Rev B Condens Matter
; 40(4): 2589-2590, 1989 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9992158