John T. Addison (EDT)/ Paul J. J. Welfens (EDT)
(2)
Claude E. Barfield/ Gunter Heiduk (EDT)/ Paul J. J. Welfens (EDT)/ Claude E. Barfield (EDT)/ Gunter Heiduk
(1)
Evgeny Gavrilenkov (EDT)/ Paul J. J. Welfens (EDT)/ Ralf Wiegert (EDT)
(1)
Huub Meijers (EDT)/ Bernhard Dachs (EDT)/ Paul J. J. Welfens (EDT)
(1)
Paul J. J. Welfens (EDT)/ Anna Wziatek-kubiak (EDT)
(1)
Paul J. J. Welfens (EDT)/ Cillian Ryan (EDT)
(1)
Paul J. J. Welfens (EDT)/ John T. Addison (EDT)
(1)
Paul J. J. Welfens/ Jens K. Perret/ Tony Irawan/ Evgeniya Yushkova
(1)
Paul J. J. Welfens/ Suthiphand Chirathivat (EDT)/ Franz Knipping
(1)
Raimund Bleischwitz (EDT)/ Paul J. J. Welfens (EDT)/ Zhong Xiang Zhang (EDT)
(1)
Raimund Bleischwitz (EDT)/ Paul J. J. Welfens (EDT)/ Zhongxiang Zhang (EDT)
(1)
Timothy D. Lane (EDT)/ Paul J. J. Welfens (EDT)/ Nina Oding/ Paul J. J. Welfens/ Timothy D. Lane/ Nina Oding (EDT)
(1)