Kön / Koblenz; g.nimtz (at) uni-koeln.de
Received 30 Jul 2008, revised 15 Aug 2008, accepted 15 Aug 2008 by F. W. Hehl
TKM, Universität Karlsruhe / INT, Forschungszentrum Karlsruhe;
rachel (at) tkm.uni-karlsruhe.de
Received 16 Jun 2008, revised 8 Aug 2008, accepted 20 Aug 2008 by U. Eckern
Institut für Theoretische Physik, Universität zu Köln, 50923
Köln, Germany; rf (at) thp.uni-koeln.de
Received 15 Oct 2007, revised 16 Oct 2008, accepted 19 Oct 2008 by F. W. Hehl
University of Poznan, Faculty of Physics, 61-614 Poznan, Poland /
Institute for Low temperatures and Structure Research, Polish Academy of Sciences,
50-950 Wroclaw, Poland; tppolak (at) amu.edu.pl / kopec (at) int.pan.wroc.pl
Received 22 Sep 2008, accepted 22 Oct 2008 by U. Eckern
BC Hydro, Generation Resource Management, 6911 Southpoint Drive, Burnaby,
BC V3N 4X8, and University of British Columbia, Department of Geography, Canada;
sean.fleming (at) bchydro.com / fleming_sean (at) hotmail.com
Received 21 May 2008, accepted 22 Oct 2008 by U. Eckern