Department of
Physics, Northern Illinois University, DeKalb, IL 60115 USA
NIU office: 815-753-6397; NIU fax: 815-753-8565
Argonne
National Laboratory, Materials Science Division
9700 S. Cass Avenue,
Argonne, IL 60439 USA
ANL
office: 815-753-6397
e-mail: DEBrown@niu.edu