@article {111,
	title = {A Finite-time Convergent Observer with Robustness to Piecewise-constant Measurement Noise},
	journal = {Automatica},
	volume = {57},
	year = {2015},
	month = {July},
	pages = {222-230},
	keywords = {hybrid systems, observers},
	author = {Y. Li and R. G. Sanfelice}
}
