A. Janusauskas, B. Engdahl, O. Svensson, and L. Sörnmo, “Estimation of OAE Properties. Ensemble Correlation Method for SNR Enhancement in TEAOE Signals”, ELEKTRON ELEKTROTECH, vol. 23, no. 5, Oct. 1999, Accessed: Jan. 23, 2026. [Online]. Available: https://eejournal.ktu.lt/index.php/elt/article/view/16723