Friedman L.C. Evaluation of methods used from 1965 through 1982 to determine inorganic constituents in water samples / L. C. Friedman, M. J. Fishman, 1989. - 126 p. - Текст : непосредственный.
Methods for determination of inorganic substances in water and fluvial sediments / Ed.: M. J. Fishman, L. C. Friedman, 1989. - XII, 545 p. 545 p. - Текст : непосредственный.