KROMULSKI J. Identification of uncorrelated sources of exciting forces by means of the methods of crosspower spectrum matrix decomposition into singular values and eigenvalues. Arch. Acoust. [Internet]. 2014 May 9 [cited 2026 Jan. 18];23(2):227-38. Available from: https://acoustics.ippt.gov.pl/index.php/aa/article/view/908