@article {53,
	title = {On the Performance of High-gain Observers with Sign-indefinite Gain Adaptation under Measurement Noise},
	journal = {Automatica},
	volume = {47},
	number = {10},
	year = {2011},
	month = {October},
	pages = {2165{\textendash}2176},
	keywords = {observers},
	doi = {http://www.sciencedirect.com/science/article/pii/S0005109811003736},
	author = {R. G. Sanfelice and L. Praly}
}
