IEC62305-32006, Protection again lightning: Part 3: physical damages and life hazard.
 A. Mohammadi, "Reference of Lightening Protection Systems", 2015, Nas publication.
 Q. Zhou, et al.,” Experimental investigation of the coordination between SPDs and between SPD and the protected equipment,” Electrical Power Syst. Res., 2015.
 A. Rousseau & T. Perche, “Coordination of Surge Arresters in the Low Voltage Field,” Soule - B.P. 308 - 65203 Bagneres DE Bigorre - France 1995.
 Qi Bin Zhou, Alain Rousseua, Yang Zhao” Further coordination test between SPDsand between SPD and equipment” ICLP2014, vol. 152, Oct., Shanghai 2014.
 Hee-Kyung Shin, Dong-Seong Kim” Energy coordination of ZnO varistor based SPDs in surge current due to direct lightning flashes” International Conference on Lightning Protection (ICLP) 2014.
 J. L. He, Z. Y. Yuan, S. C. Wang, J. Hu, S. M. Chen, and R. Zeng "Effective Protection Distances of Low-Voltage SPD with Different Voltage Protection Levels," IEEE Trans. Power Delivery, vol.25, no 1. pp. 187-195, Jan. 2010.
 J. He, Z. Yuan, J. Xu, S. Chen, J. Zou, and R. Zeng, “Evaluation of the effective protection distance of low-voltage SPD to equipment,” IEEE Trans. Power Del., vol. 20, no. 1, pp. 123–130, Jan. 2005.
 Pinceti, P., Giannettoni, M. "A simplified model for zinc oxide surge arresters", IEEE Transactions on Power Delivery, Vol. 14, No. 2; April 1999.
 IEEE Recommended Practice on Surge Voltages in Low-Voltage ac Power Circuits, ANSI/IEEE Std.C62.41-1991.