Botyan С., Zhamoydik С., Kudryashov В., Osyaev В., and Pastukhov С. “Analytical Determination of the Dynamics of the Volumetric Optical Density of Smoke at the Initial Stage of a Fire in compartment’s Equipped With Smoke Ventilation”. Journal of Civil Protection, vol. 3, no. 4, Nov. 2019, pp. 359-65, doi:10.33408/2519-237X.2019.3-4.359.