title: Obituary: professor paul dan cristea.
abstract: Paul Dan Cristea, professor of Electrical Engineering and Computer Science at 'Politehnica' University of Bucharest died on 17 April 2013, following several years of bravely battling a perfidious illness.
authors.affiliation: Department of Signal Processing, Tampere University of Technology, Korkeakoulunkatu 1, Tampere, FIN-3310, Finland. ioan.tabus@tut.fi.
authors.forename: Ioan
authors.initials: I
authors.lastname: Tabus
authors.forename: Erchin
authors.initials: E
authors.lastname: Serpedin
authors.forename: Jaakko
authors.initials: J
authors.lastname: Astola