Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) N. Fujii and Shigetaka Takagi and K. Yoshizaki,Phase-error reduction technique for quadrature ring oscillators,"Proceedings of the 2005 European Conference on Circuit Theory and Design, 2005.",,IEEE,2006-10-11,3,,189-192,https://cir.nii.ac.jp/crid/1873398393058000128,https://doi.org/10.1109/ecctd.2005.1523092