1.
Phys Rev B Condens Matter
; 38(13): 9311-9314, 1988 Nov 01.
Article
in English
| MEDLINE
| ID: mdl-9945742
2.
Phys Rev B Condens Matter
; 36(4): 2301-2304, 1987 Aug 01.
Article
in English
| MEDLINE
| ID: mdl-9943083