1. Lyubov V. K., Lyubova S. V. (2017) Improving the Efficiency of Energy Use of Biofuels. Arkhangelsk, NArFU, 2017. 533 (in Russian).
2. Rules for the Preparation and Safe Operation of Steam and Hot Water Boilers. Moscow, PPA OBT, 1996 (in Russian).
3. Rules of Technical Operation of Power Plants and Electric Networks. 14th ed. Moscow, Energoatomizdat Publ. 1989. 288 (in Russian).
4. Trembovlya V. I., Finger E. D., Avdeeva A. A. (1991) Thermal Engineering Tests of Boiler Installations. 2nd ed. Moscow, Energoatomizdat Publ. 416 (in Russian).
5. Collection of Techniques for Determining Concentrations of Pollutants in Industrial Emissions. Leningrad, Gidrometeoizdat Publ. 1987. 269 (in Russian).