@conference {casaleiro20111, title = {A 1 mW low phase-noise relaxation oscillator}, booktitle = {Circuits and Systems (ISCAS), 2011 IEEE International Symposium on}, year = {2011}, note = {n/a}, pages = {1133{\textendash}1136}, publisher = {IEEE}, organization = {IEEE}, abstract = {n/a}, author = {Casaleiro, J. and Lopes, H and Oliveira, L.B. and Fernandes, J.R. and Silva, M. M.} }