Crystal structures of azathioprine dihydrate and 6‐methylmercaptopurine trihydrate

<i>International Tables for X-ray Crystallography</i>

Acta Crystallographica Section B · 1976 · 14.2K citations · Full text

Natural Sciences, Chemistry, Materials Science +11

Relativistic Calculation of Anomalous Scattering Factors for X Rays

D. T. Cromer, David A. Liberman · The Journal of Chemical Physics · 1970 · 3K citations

Natural Sciences, Chemistry, Physics +9

Coherent X-Ray Scattering for the Hydrogen Atom in the Hydrogen Molecule

Robert F. Stewart, Ernest R. Davidson, William T. Simpson · The Journal of Chemical Physics · 1965 · 2.7K citations

Natural Sciences, Chemistry, Physics +17

The secondary extinction correction

W. H. Zachariasen · Acta Crystallographica · 1963 · 417 citations · Full text

Life Sciences, Biology, Population Ecology +1

Anisotropic extinction corrections in the Zachariasen approximation

P. Coppens, Walter C. Hamilton · Acta Crystallographica Section A · 1970 · 309 citations

Natural Sciences, Physics, Crystal Structure +15