1. DEPARTMENT OF MATHEMATICS; UNIVERSITY OF TENNESSEE AT CHATTANOOGA; CHATTANOOGA TN 37403
2. DEPARTMENT OF MATHEMATICS; BRIGHAM YOUNG UNIVERSITY; PROVO UT 84602
3. DEPARTMENT OF MATHEMATICS AND STATISTICS; UNIVERSITY OF REGINA; REGINA SK CANADA
4. DEPARTMENT OF MATHEMATICS; IOWA STATE UNIVERSITY; AMES IA 50011
5. AMERICAN INSTITUTE OF MATHEMATICS; 360 PORTAGE AVENUE PALO ALTO CA 94306
6. DEPARTMENT OF MATHEMATICS; UNIVERSITY OF WYOMING; LARAMIE WY 82071
7. DEPARTMENT OF MATHEMATICS AND STATISTICS; UNIVERSITY OF VICTORIA; VICTORIA BC V8W 3R4 CANADA
8. DEPARTMENT OF MATHEMATICS AND STATISTICS; GEORGIA STATE UNIVERSITY; ATLANTA GA 30303-3083