Friedrich G. Barth (EDT)/ Patrizia Giampieri-Deutsch (EDT)/ Hans-Dieter Klein (EDT)
(2)
Friedrich G. Barth (EDT)/ Axel Schmid (EDT)
(1)
Friedrich G. Barth (EDT)/ Joseph A. C. Humphrey (EDT)/ Mandyam V. Srinivasan (EDT)
(1)
Friedrich G. Barth/ Ann Biederman-Thorson (TRN)
(1)
Friedrich G. Barth/ M. A. Biedermann-thorson (TRN)
(1)