Max Planck Institute for the History of Science, Boltzmannstr. 22,
14195 Berlin, Germany; dh (at) mpiwg-berlin.mpg.de
Received 23 Jan 2008
Dipartimento di Scienze Fisiche, Universita di Napoli "Federico II" & I.N.F.N. Sezione
di Napoli,
Via Cinthia, 80126 Napoli, Italy; salvatore.esposito (at) na.infn.it
Received 21 Jan 2008, revised 26 Mar 2008, accepted 26 Mar 2008 by F. W. Hehl
University of Electronic Science and Technology of China, Chengdu 610054, China /
Department of Physics and Astronomy, Hunter College of the City University of
New York, New York 10021, USA; zywang (at) uestc.edu.cn
Received 10 Dec 2007, revised 12 Feb 2008, accepted 15 Feb 2008 by F. W. Hehl
Instituto de Fisica, Universidade de Brasilia, C.P. 04385, 70.919-970
Brasilia DF, Brazil; wadih (at) unb.br
Received 3 Feb 2008, revised 17 Feb 2008, accepted 18 Feb 2008 by F. W. Hehl
Department of Modern Physics,
University of Science and Technology of China, Hefei, 230026, P. R. China;
lqiu1981 (at) mail.ustc.edu.cn
Received 20 Jul 2007, accepted 4 Mar 2008 by U. Eckern
Chern Shiing-Shen Institute of Mathematics, Nankai University, Tianjin 300071,
China;
achukh (at) yeah.net / zhu60gh (at) gmail.com
Received 6 Dec 2007, revised 5 Mar 2008, accepted 19 Mar 2008 by B. Kramer
Department of Physics, Brookhaven National Laboratory, Upton, New York 11973, USA; pisarski (at) bnl.gov