• Units of relativistic time scales and associated quantities 

    Klioner, S.; Capitaine, N.; Folkner, W.; Guinot, B.; Huang, T. Y.; Kopeikin, Sergei M.; Pitjeva, E.; Seidelmann, P. K.; Soffel, M. (arXiv, 2010)
    This note suggests nomenclature for dealing with the units of various astronomical quantities that are used with the relativistic time scales TT, TDB, TCB and TCG. It is suggested to avoid wordings like "TDB units" and "TT ...