OHTA, M., N. NAKASAKO, and Y. XIAO. 2014. “Unification of Various Type Expressions for Probability Distribution of Arbitrary Random Noise and Vibration Waves Based on Their Actual Fluctuation Ranges (theory and Experiment)”. Archives of Acoustics 15 (3-4): 399-416. https://acoustics3.ippt.pan.pl/index.php/aa/article/view/1297.