Speciation of chromium in solid materials with the aid of soft-X-ray spectrometry

An Algorithm for Least-Squares Estimation of Nonlinear Parameters

Donald W. Marquardt · Journal of the Society for Industrial and Applied Mathematics · 1963 · 30.4K citations

Natural Sciences, Computational Engineering, Optimization +11

Cross sections for ionization of inner-shell electrons by electrons

C. J. Powell · Reviews of Modern Physics · 1976 · 375 citations

Natural Sciences, Chemistry, Analytical Chemistry +13

Band Structure and the Titanium <i>L</i>II, III X-Ray Emission and Absorption Spectra from Pure Metal, Oxides, Nitride, Carbide, and Boride

David W. Fischer, William L. Baun · Journal of Applied Physics · 1968 · 166 citations · Full text

Natural Sciences, Chemistry, Materials Science +17

Vanadium <i>L</i>II, III X-Ray Emission and Absorption Spectra from Metal, Oxides, Nitride, Carbide, and Boride

David W. Fischer · Journal of Applied Physics · 1969 · 115 citations

Natural Sciences, Chemistry, Materials Science +17

Chemical Bonding and Valence State—Nonmetals

David W. Fischer · Advances in X-ray Analysis · 1969 · 33 citations

Natural Sciences, Chemistry, Materials Science +17