deletions | additions       diff --git a/Envisioning Information b/Envisioning Information  index 0a8a91c..0a6d49d 100644  --- a/Envisioning Information  +++ b/Envisioning Information 
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{\rtf \tx384 \li384 \fi-384 \sl240 \slmult1 \sa0 [1]\tab E. R. Tufte, \i Envisioning Information\i0{}. Graphics Press, 2001.  \ }