ISO-9848 Complete Document History
Photography - Source document microfilms - Determination of ISO speed and ISO average gradient

Complete Current Edition:
   2ND EDITION - PHOTOGRAPHY - SOURCE DOCUMENT - Dec. 1, 2003

Obsolete Revision Information:
   1ST EDITION CORRIGENDUM 1 - PHOTOGRAPHY - SOURCE DOCUMENT - Feb. 1, 1994
   1ST EDITION - PHOTOGRAPHY - SOURCE DOCUMENT - May 1, 1993