@article {3616,
	title = {Composition and Cloning in Modeling and Meta-Modeling},
	journal = {IEEE Transactions on Control System Technology},
	year = {2003},
	month = {December},
	author = {Karsai, Gabor and Maroti, Miklos and Ledeczi, Akos and Gray, Jeff and Sztipanovits, Janos}
}
