Torija Martinez, A., Ruiz, D., & Ramos-Ridao, A. (2011). Required stabilization time, short-term variability and impulsiveness of the sound pressure level to characterize the temporal composition of urban soundscapes. Applied Acoustics, 72(2-3), 89-99. https://doi.org/10.1016/j.apacoust.2010.09.011