-- all the code except SF-Mersenne Twister and WELL generator is distributed 
under the terms of the GNU General Public License as published by the Free 
Software Foundation; either version 2 of the License, or (at your option) any 
later version. A copy of the GNU General Public License is available at
http://www.r-project.org/Licenses/

-- the code for SF-Mersenne Twister belongs to Hiroshima, Matsumoto and Saito 
and is under the new BSD licence. A copy of the BSD licence is available at 
http://www.opensource.org/licenses/bsd-license.php

-- the code for WELL generator belongs to Francois Panneton and Pierre L'Ecuyer.
This code can be used freely for personal, academic, or non-commercial purposes. 
For commercial purposes, please contact P. L'Ecuyer at: lecuyer@iro.UMontreal.ca  

-- the code for Knuth-TAOCP-2002 generator belongs to Donald E. Knuth. 
This code is in the public domain and freely copyable.