@conference {KSK07a,
	title = {Grid interoperability by multiple broker utilization and meta-brokering},
	booktitle = {Proceedings of 2nd International Workshop on Distributed Cooperative Laboratories: Instrumenting the GRID (INGRID 2007)},
	year = {2007},
	pages = {1-10},
	author = {Attila Kert{\'e}sz and Z. Farkas and P. Kacsuk and T. Kiss}
}
