Dept. of Physics
University of Colorado
Boulder, CO 80309
U.S.A.
Dipartimento di Chimica e Fisica per l'Ingegneria e per i Materiali
Universita di Brescia and INFN Sezione di Pavia
Brescia, Italy
INFN, Sezione di Milano
Milano, Italy
Center for High Energy Physics
Kyungpook National University
1370 Sankyok-dong, Puk-ku
Taegu 702-701, South Korea
Department of Physics and Astronomy
University of Rochester
Rochester, NY 14627
U.S.A.
National Center for Atmospheric Research
Boulder, CO 80305
U.S.A.
Instituto de Ciencas Nucleares
Universidad Nacional Autonoma de Mexico
CP 04510, Mexico
Department of Physics
Pontificia Univ, Catolica do Rio de Janeiro
Rio de Janeiro, RJ, Brazil
Korea Research Institute of Standards and Science
P.O. Box 102, Yusong-Ku
Taejon 305-600, South Korea
Columbia University
Nevis Labs
Irvington, NY 10533
U.S.A.
Universidade Federal do Rio de Janeiro
Rio de Janeiro, RJ, Brazil
Adams State College
Alamosa, CO 81102
U.S.A.
Dept. of Physics
University of Colorado
Boulder, CO 80309
U.S.A.
LIGO Livingston Laboratory
P.O. Box 940
Livingston, LA 70754
U.S.A.
National Institute of Physica and Nuclear Engineering
Bucharest, Romania
Center for High Energy Physics
Kyungpook National University
1370 Sankyok-dong, Puk-ku
Taegu 702-701, South Korea
Instututo de Fisica
Universidade Federal da Bahia
Salvador, Brazil
Dept. of Physics
University of Colorado
Boulder, CO 80309
U.S.A.
University of Guanajuato
Leon, Gto. 37150
Mexico
Dipartimento di Scienze
Universita' degli Studi dell' Insubria
22100 Como
ITALIA
Dept. of Physics
University of Colorado
Boulder, CO 80309
U.S.A.
Instituto de Fisica
Universidad Autonoma de Puebla
Puebla, Mexico
Vanderbilt University
Nashville, TN 37235
U.S.A.
Lucent Technology