TY JOUR TI SENSORS FOR MEASURING LIQUID LEVEL AND RATE-OF-FLOW WITH HELP OF THERMORESISTORS KW thermo resistor KW sensor KW level gauge KW rate-of-flow indicator JO NATURAL AND MAN-MADE RISKS (PHYSICO-MATHEMATICAL AND APPLIED ASPECTS) AU Korablev, V.A. AU Sharkov, A.V. AU Minkin, D.A. AU Gonchar, I.I. AU Tikhomirov, P.Y. PY 2014 IS 2014 PB Saint-Petersburg University of State Fire Service of Emercom of Russia