БЕЗРОДНИЙ, М. К.; ПРИТУЛА, Н. О. Effectiveness of heat pump heating systems using pre-heated air. Eastern-European Journal of Enterprise Technologies, [S. l.], v. 5, n. 8(65), p. 24–28, 2013. DOI: 10.15587/1729-4061.2013.18124. Disponível em: https://journals.uran.ua/eejet/article/view/18124. Acesso em: 19 may. 2024.