1. 
   ConTub
   == Fair use in San Francisco Sheriff`s Department == ...
   Found op http://en.wikipedia.org/wiki/ConTub
   
   
2. 
   CoNTub
   CoNTub is software written in Java which runs on Windows, Mac OS X, Linux and Unix Operating systems. It is the first implementation of an algorithm for generating the 3D structure of two arbitrary connected carbon nanotubes by means of one defect or disclination (pentagonal or heptagonal). ...
   Found op http://en.wikipedia.org/wiki/CoNTub
   
   

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