S. Venkata Rama Rao, A. Mallikarjuna Prasad, and C. Santhi Rani, “Direction of Arrival Estimation of Uncorrelated Signals Using Root-MUSIC Algorithm for ULAs and UCAs”, IJET, vol. 7, no. 4.36, pp. 398–401, Dec. 2018, doi: 10.14419/ijet.v7i4.36.23813.