@ { ,
	title = {Paid Content a Way to Electronic Knowledge Based Economy},
	booktitle = {1st CEE Symposium on Business Informatics, Vienna, 25-27 February 2009},
	year = {2009},
	pages = {11-18},
	publisher = {Austrian Computer Society},
	author = {Wojciech Cellary},
	editor = {Hans Robert Hansen and Dimitris Karagiannis and Hans-Georg Fill}
}
