Lorentz, HelmutFriebertshaeuser, JürgenLohmeyer, AchimGnauck, AlbrechtHeinrich, Ralph2019-09-162019-09-162003https://dl.gi.de/handle/20.500.12116/27015GIS Based Urban Scale Air Pollution Modelling — Exercises and Experiences of a Bulgarian — Twinning ProjectText/Conference Paper