Phys Rev B Condens Matter. 1988 Jun 15;37(18):10923-10926. doi: 10.1103/physrevb.37.10923.
Physical review. B, Condensed matter
Eppenga, Schuurmans
PMID: 9944558 DOI: 10.1103/physrevb.37.10923
[No abstract available.]