• Estimation of thermal insulation efficiency of Estonian district heating networksHlebnikov, Aleksandr; Siirde, Andres; Paist, AaduAdvances in Heat Transfer : proceedings of the Baltic Heat Transfer Conference : September 19-21, 2007. Volume 22007 / p. 500-505 : ill
• Radiation heat transfer of turbulator inserts in gas-heated channelsNešumajev, Dmitri; Tiikma, ToomasAdvances in Heat Transfer : proceedings of the Baltic Heat Transfer Conference : September 19-21, 2007. Volume 22007 / p. 525-531 : ill https://www.dl.begellhouse.com/journals/46784ef93dddff27,337369e71ba68ce8,4d472a5f154ab085.html