1. V. V. Nevskii, D. A. Dudnik, S. V. Semyannikov, et al., Standard Automatized Block Heat Points "Danfoss" [in Russian], OOO Danfoss, Moscow (2011).
2. V. V. Pyrkov, Modern Heat Points. Automation and Regulation [in Russian], Taki Spravy, Kiev (2007).
3. N. M. Zinger, Hydraulic and Thermal Regimes of Central-Heating Supply Lines [in Russian], 2nd rev. enlarged edn., Énergoatomizdat, Moscow (1986).
4. M. M. Apartsev, Adjustment of Water Systems of District Heating, Ref.-Method. Textbook [in Russian], Énergoatomizdat, Moscow (1983).
5. M. N. Masov, System of Automatic Regulation of Heating a Building with Automatic Set-Point Device, RF Patent No. 2348061, G 05 D23/00. Published 10.11.2011.