1.
Phys Rev B Condens Matter
; 38(12): 8533-8536, 1988 Oct 15.
Article
in English
| MEDLINE
| ID: mdl-9945628
2.
Phys Rev B Condens Matter
; 36(9): 5066-5069, 1987 Sep 15.
Article
in English
| MEDLINE
| ID: mdl-9943536