1. Fusion Studies Lab., Dept. of Nuclear Eng. University of Illinois at Urbana Champaign, 103 South Goodwin Avenue, Urbana, IL 61801, (217) 333 3772
2. Inst, of Theor. Physics, Alternate Energy Physics Program, Graz University of Technology, A-8010 Graz, Petersgasse 16, Austria (43-316) 7061-0, -8175