For citations:

Krudyshev V.V., Lazarev I.S., Filippov A.V., Terentyev V.V. PROTECTION OF WATER FOAM COMMUNICATIONS OF FIRE PUMP AGAINST FREEZING. Pozharovzryvobezopasnost/Fire and Explosion Safety. 2015;24(11):63-69. (In Russ.) https://doi.org/10.18322/PVB.2015.24.11.63-69