1. International Standard IEC 60287-2-1, Electric Cables - Calculation of the current rating - Part 2-1: Thermal resistance - Calculation of the thermal resistance.
2. IEEE Std 835-1994 Standard Power Cable Ampacity Tables.
3. International Standard IEC 60287-1-1, Electric Cables - Calculation of the current rating - Part 1-1: Current rating equations (100% load factor) and calculation of losses- General.
4. The calculation of the temperature rise and load capability of cable systems;Neher;AIEE Transactions,1957
5. Refinements to the Neher-McGrath model for calculating the ampacity of underground cables;Sellers;IEEE Transactions on Power Delivery,1996