From:   GORDON::COCKCROFT    "Jeremy Karl Cockcroft" 27-JAN-2001 01:26:41.56
To:     SMTP%"Mark.Farnworth@ptc.pilkington.co.uk"
CC:     COCKCROFT
Subj:   RE: Question

Hi Mark,
  There is some description under symmetry elements:
http://pd.cryst.bbk.ac.uk/pd00/symm1/glide1.htm
  and some in the reference section of the same section:
http://pd.cryst.bbk.ac.uk/pd99/symm1/glide.htm
  However, now that you bring the subject up, I can see that the
first page above could be improved quite a bit. (Many of the symmetry
pages were also created for the sister course on Protein Crystallography,
and have been revised several times, but this one I realize now is still
an original, not having being used for the earlier course.)
  Given the importance of understanding glide planes, I will definitely
improve this part of the course immediately.
  Many thanks for the question,
            Jeremy Karl.

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