1. A computer system for the processing and statistical summarizing of quantitative spectrographic geochemical data for the IBM 1620;Dahlberg,1966
2. U.S. geological survey silicate rock standards;Flanagan;Geochim. Cosmochim. Acta,1967
3. Automatic Data Processing for Photographic Photometry in Spectrographic Analysis;Gordon;N.A.S.A. TMS-1220,1966
4. Trace elements in feldspars: a review;Heier;Norsk Geol. Tidsskr.,1962
5. Petrography and Geochemistry of The Rensselaer Graywacke Troy, New York;Ondrick,1968