@article {KsibiCherif10, title = {Closed-form real single-tone frequency estimator based on a normalized IIR notch filter}, journal = {Signal Processing}, volume = {90}, number = {6}, year = {2010}, month = {June}, pages = {1905-1915}, keywords = {Frequency estimation, IIR notchfilter, Least squares, Real sinusoid, RPHD estimator}, author = {R. Elasmi-Ksibi and S. Cherif and R. L{\'o}pez-Valcarce and H. Besbes} }