Access to this software is free of charge. All accesses are recorded. It is prohibited that you use any information or structure from CoNTub for profit-making or commercial use without obtaining proper permission from us. If the use of CoNTub are required for some specific purpose or commercial use, you should consult us and describe the intended usage or purpose of our software.
We also request that when you use the data from CoNTub in your publication or presentation, a proper acknowledgement be given as follows:
"CoNTub: an algorithm for connecting two arbitrary carbon nanotubes." S. Melchor; J.A. Dobado. Journal of Chemical Information and Computer Sciences, 44, 1639-1646 (2004)

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