N. P. Waweru and  D. B. O. Konditi and  P. K. Langat,  Performance Analysis of MUSIC, Root-MUSIC and ESPRIT DOA Estimation Algorithm.   journal   = {International Journal of Electronics and Communication Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 85(1). 209 - 216
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9997885.