50th anniversary of the Judd–Ofelt theory: An experimentalist's view of the formalism and its application

A Simplex Method for Function Minimization

J. A. Nelder, R. Mead · The Computer Journal · 1965 · 28.9K citations

Natural Sciences, Computer Science, Mathematics +8

Numerical recipes in C

William H. Press, Saul A. Teukolsky, William T. Vetterling et al. · 1994 · 15.4K citations

Computing, Computer Science, Scientific Computing +3

Optical Absorption Intensities of Rare-Earth Ions

B. R. Judd · Physical Review · 1962 · 8K citations · Full text

Natural Sciences, Chemistry, Physics +14

Intensities of Crystal Spectra of Rare-Earth Ions

G. S. Ofelt · The Journal of Chemical Physics · 1962 · 7.4K citations

Natural Sciences, Physics, Condensed Matter Physics +13

Electronic Energy Levels in the Trivalent Lanthanide Aquo Ions. I. Pr3+, Nd3+, Pm3+, Sm3+, Dy3+, Ho3+, Er3+, and Tm3+

W. T. Carnall, P. R. Fields, K. Rajnak · The Journal of Chemical Physics · 1968 · 3.3K citations

Natural Sciences, Chemistry, Physics +17