Duits (4)

Up To €10 (0) € 10 Tot € 20 (0) € 20 Tot € 50 (4) € 50 En Meer (0)

Stäbe, Gerrit (4) Bartenbach, Kurt, Volz, Franz-eugen (2) Veldsman, Dieter, Merwe, Marna Van Der (1) Feist, Thomas, Lehmann, Dennis (1) Halliday, David (university Of Pittsburgh), Resnick, Robert (rensselaer Polytechnic Institute), Walker, Jearl (cleveland State University) (1)

2013 (4)

Overig (4)