Experimental and computational techniques for recording and analysing photographic powder data
M. J. Mendelssohn, H. J. Milledge, D. Walley · Acta Crystallographica Section A Foundations of Crystallography · 1981
It is importan•t in the collection and interpretation of diffraction data to evaluate the aberrations affecting the position, shape and intensity of details in the diffraction pattern~ a~ong contributing factors are: source size and shape; incident bearr.collimationt size, shape, position