torsion

[1976] General relativity with spin and torsion: Foundations and prospects ; Friedrich W. Hehl ; Paul von der Heyde ; G. David Kerlick ; James M. Nester ; Reviews of Modern Physics 48 (1976) p. 393 [lien]
[2002] Physical aspects of the space–time torsion ; I.L. Shapiro ; Physics Reports 357 (2002) p. 113 [lien]