1. 2004. www.flowsystems.alstom.com\…\calculation programs\material.
2. On transient heat losses from buried district heating pipes
3. . 2004. Energy-efficient service pipes. Preliminary Report on Series of Measurements 2004, DFF F&U 2003-3. Technical University of Denmark and Nykøbing Falster kommune. Danish District Heating Association, Kolding.
4. . 1987. Multipole method to compute the conductive heat flows to and between pipes in a cylinder. LUTVDG/(TVBH-709-3)/1-58/(1987). Department of Building Technology and Mathematical Physics, Lund, Sweden.
5. 2001. Värmeförluster från fjärrvärmenät i småhusområden—Inverkan av rörgeometri och dimensioneringskriterier (Heat losses from district heating networks in areas with single family houses—Influences of pipe geometry and design criteria). Licentiate thesis. Institutionen för Värme- och Kraftteknik, Lunds Tekniska Högskola. ISRN LUTMDN/TMVK-7046-SE.