1. Beér J, Chigier N (1983). Combustion Aerodynamics. Robert E. Krieger Publishing Company Inc.
2. Castiella M (2005). Flow visualization in a radio base station model. Master of Science Thesis. Department of Energy Technology, KTH, Stockholm.
3. Idelchik IE (2003). Handbook of Hydraulic Resistance. Jaico Publishing House.
4. Kordyban T (2000). Fan Swirl and Planar Resistances Don’t mix. Proceedings of the 9th International Flotherm User Conference [CD ROM].
5. Montgomery D C (2008). Design and analysis of experiments, 6th edition, John Willey & Sons Inc., Hoboken (NJ), United States.