Notes: - SERIOUS DEFICIENCIES IN SOME PHYSICAL SIMULATIONS HAVE BEEN FOUND
                 (e.g. in the Ising model using the Wolff cluster update algorithm)
            
                    - The period is 2^250
            
                    - At least 32 bit unsigned long is required.
            
                    - References:
                       o S. Kirkpatrick and E. Stoll, "A Very Fast
                         Shift-Register Sequence Random Number Generator",
                         Journal of Computational Physics 40, 517 (1981)
                       o W.L. Maier, "A Fast Pseudo Random Number Generator",
                         Dr. Dobb's Journal, May, 152-157 (1991)