Barnett, Paul R. An evaluation of whole-order 1/2-order, and 1/3-order reporting in semiquantitative spectrochemical analysis / by Paul R. Barnett. -- Washington : United States Government Printing Office, 1961 - P. 183-206. -- (Geological Survey Bulletin ; 1084-H). Subjects--Topical Terms: Geoquímica Universal Decimal Class. No.: 550.4