1. Botpaev, R., Drainback systems: market overview, in Proceedings of the 11 International Conference fur Solar Heating and Cooling, Gleisdorf, Austria, 2014.
2. Botpaev, R., Luovet Y., Peters B., et al., Drainback solar thermal systems: a review. www.sciencedirect.com.
3. Botpaev, R., Experimental investigation of the filling and draining processes of the drainback system, Part 1, in Proceedings of the ISES Solar World Congress, Energy Proc., 2013, S7, pp. 2467–2476. 10.1016/j.-e-gypro.2014.10.25610.1016/j.-e-gypro.2014.10.256
4. Botpaev, R., Experimental investigation of the filling and draining processes of drainback systems, part 2, in Proceedings of EuroSun, 2014, pp. 878–887.
5. Butuzov, V.A., Self-draining solar installations: the world and Russian experience of development and construction, SOK, 2017, no. 2, pp. 53–57.