1. CIGRE (2006): Technical brouchure 299, Guide for the selection of weather parameters for bare overhead conductor ratings.
2. CIGRE (2007): Technical brouchure 324, Sag tension calculation methods for overhead lines.
3. CIGRE (2002): Technical brouchure 207, The thermal behaviour of overhead conductors.
4. CIGRE (2014): Technical brochure 601, Guide for thermal rating calculations of overhead lines.