;Chavunduka, Charles (University of Zimbabwe, Zimbabwe),De Vries, Walter Timo (Technical University of Munich, Germany),Duran Diaz, Pamela (Technical University of Munich, Germany)
（1）
;Timo de Vries, Walter (Technical University of Munich, Germany),Rudiarto, Iwan (Diponegoro University, Semarang, Central Java, Indonesia),Piyasena, N.M.P. Milinda
（1）
Chavunduka, Charles (University of Zimbabwe, Zimbabwe),De Vries, Walter Timo (Technical University of Munich, Germany),Duran Diaz, Pamela (Technical University of Munich, Germany)
（1）
Joz, Motmans,Nieder, Timo Ole,Bouman, Walter Pierre
（1）
Walter Timo de Vries(EDI)
（1）
de Vries, Walter Timo,Bugri, John Tiah,Mandhu, Fatima
（1）
