1. Lang, S.: Algebraic Number Theory. Reading, Mass.: Addison-Wesley 1970
2. Mulholland, H.P.: On the product ofn complex homogeneous linear forms. J. London Math. Soc.35, 241?250 (1960)
3. Narkiewicz, W.: Elementary and analytical theory of algebraic numbers, Polish Scientific Publishers, Warszawa, 1974
4. Odlyzko, A.M.: Tabellen datiert November 29, 1976 (to appear as an appendix to a paper on small discriminants by J. Martinet in the Proceedings of the 1980 Exeter Journiées Arithmétiques)
5. Pohst, M.: Regulatorabschätzungen für total reelle algebraische Zahlkörper. J. Number Theory9, 459?492 (1977)