• Two core papers about two quite different methods for structure factor extraction (iterating the Rietveld decomposition formula or refining individual intensities) were studied for citations.
• A second wave of core papers on methods citing the two above papers was selected because they could be cited mainly for this "structure factor extraction" topic.
• Papers (applications for SDPD or review papers, size/microstrain studies, cell and space group checking, magnetism, method papers - maximum entropy, direct methods, preferred orientation, etc - or other papers) citing these core papers were listed, which could be cited now for other reasons.
• There are also negative citations, for instance : "using direct space fitting avoids structure factor extraction difficulties".
• If your paper(s) escaped, send the reference to : alb@cristal.org.
• That list is more indicative than exhaustive, and it will be false one week later.....
• See other lists about powder diffraction in general (1,2) and about indexing powder diffraction patterns and a study about special methods in SDPD.

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