Author: Baso Maruddin , Adit Kurniawan , Sugihartono , Achmad Munir; | Publisher: Proceedings on the 2011 international conference on electrical engineering and informatics July 17-19 2011vo. 3 (Bandung Indonesia)
Author: Norman Delisle Mayer Schwartz; | Publisher: Proceedings of acm sigmod 86 international conference on management of data washington,d.c may 28-30,1986