Guests Dr.-Ing. Lan Zhang zhlan@uni-bonn.de +49 228 73-6496 2.012 Nußallee 15 53115 Bonn © Zhang | IGG ... more about Lan Zhang M.Sc. Mohamed Helmy mohamedmohsen.helmy@unibo.it +49 228 73-2695 2.002 Nussallee 17 53115 Bonn © Helmy | IGG ... more about Mohamed Helmy
