Vashchishak, I. R., and O. V. Lavryk. “MODERNIZATION OF THE HEATING SYSTEM BY APPLYING A TURBO FIREPLACE AND INTEGRATOR”. Prospecting and Development of Oil and Gas Fields0, no. 4(69) (October 30, 2018): 57-69. Accessed August 23, 2019. http://rrngr.nung.edu.ua/index.php/rrngr/article/view/699.