Determining the peak spatial-average specific absorption rate (SAR) in the human body from wireless communications devices, 30 MHz to 6 GHz - Part 1: General requirements for using the finite difference time-domain (FDTD) method for SAR calculations
International Electrotechnical Commission (IEC), Institute of Electrical and Electronics Engineers (IEEE)
2017, IEC/IEEE 62704-1:2017: 1-86, ISBN 978-1-5044-4259-6