1. Lehmer, D. H.: Mathematical Methods in Large-scale Computing Units, Proc. Sec. Symp. on Large-scale Digital Calculating Machinery, p. 141?146. Cambridge, Mass.: Harvard University Press 1951.
2. Dickson, L. E.: History of the Theory of Numbers, vol. I. New York, N.Y.: Chelsea Publ. Co. 1952.
3. Johnson, D. L.: Generating and Testing Pseudo Random Numbers on the IBM Type 701, MTAC, X, 8?13, 1956.