Helen D. (University of Denver Hazen USA),Heike C. (University of Wisconsin Oshkosh Alberts USA.),Kazimierz J. (University of Wisconsin Oshkosh Zaniewski USA.)
(2)
Heike Bungert (EDT)/ Cora Lee Kluge (EDT)/ Robert C. Ostergren (EDT)
(1)
Jon McKenzie (EDT)/ Heike Roms (EDT)/ C. J. W. L. Wee (EDT)
(1)
Jon McKenzie (EDT)/ Heike Roms (EDT)/ C. J. W.-L. Wee (EDT)
(1)
Nadja Gernalzick (EDT)/ Heike C. Spickermann (EDT)
(1)