Robin L. Murray/ Joseph K. Heumann
(6)
Hans-Gunter Heumann (COP)
(2)
Robin L. (Eastern Illinois University Murray USA),Joseph K. (Eastern Illinois University Heumann USA)
(2)
;Heumann, Silke,Antillon Najlis, Camilo
(1)
Antonio Vivaldi (COP)/ Hans-Gunter Heumann
(1)
C. Radhakrishna Rao/ Helge Toutenburg/ Shalabh/ Christian Heumann
(1)
Christian Heumann/ Michael Schomaker/ Shalabh
(1)