"Cristales Difracción." . . . . . . . "Essays" . . . . "Early papers on diffraction of X-rays by crystals" . "Early papers on diffraction of X-rays by crystals"@en . . . . "Early papers on diffraction of X-ray by crystals"@en . "Early papers on diffraction of X-ray by crystals" . . . . . . "Early Papers on Diffraction of X-rays by Crystals"@en . . . . . "Early papers on diffraction of x-rays by crystals"@en . "Early papers on diffraction of x-rays by crystals" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "Early Papers on Diffraction of X-rays" . . . . . "Early papers on diffraction of X-rays by cristals" . . . . . "Burgers, W. G." . . "X-ray crystallography" . . "X-ray crystallography." . "Crystallography." . . "Cristal·lografia" . . "Bijvoet, J. M." . . "Raggi X - Diffrazione." . . "Radiocristal·lografia Assaigs, conferències, etc." . . "X-rays Diffraction." . . "Rayons X Diffraction." . . "Cristalografía por Rayos X." . . "Raigs X Difracció." . . "Crystallography, X-Ray." . . "Cristalografía Historia." . . . . "Cristallografia con raggi X." . . "Röntgendiffractie." . . "International Union of crystallography." . . "International union of crystallography." . "Radiocristallographie." . . "X-rays" . . "Hg̃g, G." . . "Raigs X Difracció Assaigs, conferències, etc." . .