author = { El-Mekawy, Mohamed AND Östman, Anders AND Hijazi, Ihab },

title = { An Evaluation of IFC-CityGML Unidirectional Conversion },

publisher = {The Science and Information Organization},

isbn = {2158-107X},

isbn = {2156-5570},

keywords = { General Computer Science },

year = {2012},

url = { http://slubdd.de/katalog?TN_libero_mab2 }