@inproceedings{Vestal2007,
ids={Vestal Task Model},
author = {Steve Vestal},
booktitle = {Proceedings of the 28th IEEE International Real-Time Systems Symposium},
title = {{Preemptive Scheduling of Multi-criticality Systems with Varying Degrees of Execution Time Assurance}},
pages={239-243},
address ={Tucson, Arizona, USA},
date={2007-12-03/2007-12-06}}