1. Perry’s Chemical Engineers’ Handbook;Perry,1997
2. Radialight® sirio termoconvettore by Ermete Giudici S.p.A. https://www.radialight.com/.
3. Polybloc plate heat exchangers, https://polybloc.com/en/products/polybloc/.
4. Finned tube heat exchanger, http://www.nipponkuhlers.com/Finned-Tube-Heat-Exchanger.html.
5. Ribbed heaters VARITHERM - INTERTEC-Hess GmbH, https://www.intertec.info.