• That list adds more papers using/developing powder diffraction than the short list, restricted to papers having precise keywords in the title. Papers are added here with those appropriate keywords in the abstract. More papers on the Rietveld structure refinement of superconductors, or fullerenes, (...) are there.
• Note that few abstracts are available in the ISI database before 1991. Note also that this was made by using the trial Web of Science, with the following limits : no more than 500 papers can be processed together, and no more than 300 papers can be sorted together according to the times cited (as far as I know).
• Note that ISI does not index all journals.
• Many software cited but unpublished or not published in ISI indexed journals are excluded (FULLPROF, etc), other are included, thanks to informations from the authors.
• Papers anterior to 1975 are excluded (with two exceptions for 2 papers from H.M. Rietveld and one paper from J.W. Visser).
• Detected fevers are bonded to research on superconductors, fullerenes, ab initio structure determination by powder diffractometry (SDPD), quasicrystals... Other highly cited papers are papers on new methods/programs, or applications to subject interesting a large audience (new fever is about nanocrystalline compounds).
• See the discussion at the Rietveld Mailing List archives.
• If your paper(s) escaped, send the reference to : [email protected].
• That list is more indicative than exhaustive, and it will be false one week later....
• See also 3 other lists of most cited papers about indexing, structure factor extraction, and special methods for SDPD.

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