@conference {VSzK11, title = {Issues of Persistence Service Integration in Enterprise Systems}, booktitle = {Proceedings of PATTERNS 2011, The Third International Conferences on Pervasive Patterns and Applications}, year = {2011}, pages = {96-101}, author = {{\'A}. Z. V{\'e}gh and V. Sz{\H u}cs and M. Kasza and V. Bilicki} }