I do remember in 2061, Odyssey Three, mister Clark makes references to the 
Star Wars movies in one chapter where Doctor Floyd is exploring he inside of 
a comet.  That's the sort of fair use thing I suppose you could get away 
with.  I don't remember offhand if there was some message in he book 
somewhere about using the reference with permission.
   That makes me wonder though, since I've never seen it.  Has any sci-fi 
story out there ever made references to Star Trek big or small?  Preferably 
maybe ones set in or near the same time period. :)
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