By Stallings, William. Upper Saddle River, N.J. : Pearson/Prentice Hall, 2006 . xvi, 680 p. : 24 cm. 0131873164

http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=305441 ISBN 1584885084 http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=302923

By Stinson, Douglas R.. Boca Raton : Chapman & Hall/CRC, 2006 . 593 p. : 25 cm.. 1584885084

http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=302923 ISBN 0521791723 (v. 1) | 0521830842 (v. 2) | 0521830842 hardbak http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=301185

By Goldreich, Oded. Cambridge, UK : Cambridge University Press, 2001 0521791723 (v. 1) | 0521830842 (v. 2) | 0521830842 hardbak

http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=301185 ISBN http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=46448

Reading, Massachusetts : Addison-Wesley, 1976

http://bibliotecas.utl.pt:443/cgi-bin/koha/opac-detail.pl?biblionumber=46448