>> Stefan's work, with which we are very familiar.
Good; I expected that, but just in case, I posted the BibTeX entries.

>> We just need some easy discrete local tests on the layout of a page or
>> two: no rocket science.
OK, but at the moment, I cannot think of further papers to point you to.
I did check in Jan V. White's books, but he doesn't discuss the placement
issue.  Tufte's 3 books are more about the contents of the pictures,
rather than their placement.  In any event, you probably have those 5 on
your shelf already.

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