Cusick, Thomas W. and others Stream ciphers and number theory Thomas W. Cusick, Cunsheng Ding and Ari Renvall - Rev. ed. - Amsterdam Elsevier 2004 - xvii, 474p. Bibl. Index. - North-Holland Mathematical Library . "Purchased under NBHM grant for the year 2004-2005" ISBN: 044451631X Dewey Class. No.: 518.1 / C963.SC