@unpublished{TUW-227197, author = {Frank, Andrew U.}, title = {3D City Models}, year = {2014}, keywords = {3D Stadstmodelle, Prozesse, Level of Detail, Wert von Daten}, note = {talk: Besuch von Prof. Kwang-Sik Yang und 15 seiner Studenten von der Soon Chun Hyang University in Korea, Wien; 2014-01-16} }