For citations:

Kozhevin D.F., Sorokin I.A., Polyakov A.S. ON THE RATIONALITY OF THE SAMPLE SIZE FIRE EXTINGUISHERS TO PERFORM CERTIFICATION TESTS ON FIRE EXTINGUISHING CAPACITY. Pozharovzryvobezopasnost/Fire and Explosion Safety. 2016;25(8):68-74. (In Russ.) https://doi.org/10.18322/PVB.2016.25.08.68-74