@inproceedings{SEGY-RTAS11,
	author = {Stigge, Martin and Ekberg, Pontus and Guan, Nan and Yi, Wang},
	title = {The Digraph Real-Time Task Model},
	booktitle = {Proceedings of the 17th IEEE Real-Time and Embedded Technology and Applications Symposium (RTAS)}, 
	pages = {71-80},
	year = {2011},
	doi = {10.1109/RTAS.2011.15},
	issn = {1545-3421},
	month = {apr}
}