Jahangir Hossain (EDT)/ Apel Mahmud (EDT)
(2)
Alan G. Kamhi (EDT)/ Julie J. Masterson Ph.D. (EDT)/ Kenn Apel (EDT)
(1)
Archibald T Davison,Willi Apel
(1)
Archibald T. Davison/ Willi Apel (EDT)
(1)
Dora Apel/ Shawn Michelle Smith
(1)
Gerald Schlaf, Susanne Apel et al.
(1)