Amir H. Khanshan Hamidreza Amindavar Hamidreza Bakhshi High-resolution ARMA estimation of mixed spectra. 97-107 2010 58 IEEE Transactions on Signal Processing 1 http://dx.doi.org/10.1109/TSP.2009.2028939 db/journals/tsp/tsp58.html#KhanshanAB10