Phillips, W. R. | IVHHN

Physicochemical or geochemical

Davis, B. L., Johnson, L. R., Griffen, D. T., Phillips, W. R., Stevens, R. K., Maughan, D., (1981), Quantitative analysis of Mount St. Helens ash by X-ray diffraction and X-ray fluorescence spectrometry, Journal of Applied Meteorology, 20, 922-933, 10.1175/1520-0450(1981)020<0922:QAOMSH>2.0.CO;2