@conference {silva2011self,
	title = {A self-biased ring oscillator with quadrature outputs operating at 600 MHz in a 130 nm CMOS technology},
	booktitle = {Mixed Design of Integrated Circuits and Systems (MIXDES), 2011 Proceedings of the 18th International Conference},
	year = {2011},
	note = {n/a},
	pages = {221{\textendash}224},
	publisher = {IEEE},
	organization = {IEEE},
	abstract = {n/a},
	author = {Silva, A. and Cavalheiro, D. and Abdollahvand, S. and Oliveira, L.B. and M. Figueiredo and J. Goes}
}
