Authors: Hehl, Friedrich W., Obukhov, Yuri N.

Superior Title: Foundations of Physics: An International Journal Devoted to the Conceptual Bases and Fundamental Theories of Modern Physics, Biophysics and Cosmology.. December 2005 35(12):2007-2025

Authors: Zavialov, O. I.

Superior Title: Theoretical and Mathematical Physics. March 2004 138(3):370-382

Authors: Yang, Kwei-Chou

Superior Title: Czechoslovak Journal of Physics. August 2003 53(8):707-715

Authors: Tseytlin, A. A.

Superior Title: Theoretical and Mathematical Physics. October 2002 133(1):1376-1389