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2. B. P. Fabbi, “A Die for Pelletizing Samples for X-ray Fluorescence Analysis,” in Geological Survey Research 1970, Chap. B: U.S. Geol. Survey Prof. Paper 700-B, B187–B189 (1970).
3. B. P. Fabbi, H. N. Elsheimer, and L. F. Espos, “Quantitative Analysis of Selected Minor and Trace Elements Through Use of a Computerized Automatic X-ray Spectrograph,” in R. W. Gould, C. S. Barrett, J. B. Newkirk and C. O. Ruud, Editors, Advances in X-Ray Analysis, Vol. 19, 273–291, Plenum Press (1975).
4. B. P. Fabbi, “X-Ray Fluorescence Determination of Barium and Strontium in Geologic Samples,” Appl. Spectrosc., 25, 316–318 (1971).
5. M. Fleischer, “U.S. Geological Survey Standards-I. Additional Data on Rocks G-1 and W-1 1965–67,” Geochim. et Cosmochim. Acta, 33, 65–79 (1969).