Slawomir Koziel (EDT)/ Leifur Leifsson (EDT)/ Xin-she Yang (EDT)
(2)
Leifur Leifsson (EDT)/ Slawomir Koziel
(1)
Mohammad S. Obaidat (EDT)/ Slawomir Koziel (EDT)/ Janusz Kacprzyk (EDT)/ Leifur Leifsson (EDT)/ Tuncer ?en (EDT)
(1)
Slawomir Koziel (EDT)/ Leifur Leifsson (EDT)
(1)
Slawomir Koziel/ Leifur Leifsson
(1)