Ziegler, S.; Iu, H. H. C.; Woodward, R. C.; Borle, L. J. (1 June 2008). "Theoretical and practical analysis of a current sensing principle that exploits the resistance of the copper trace". 2008 IEEE Power Electronics Specialists Conference. pp. 4790–4796. doi:10.1109/PESC.2008.4592730. ISBN978-1-4244-1667-7. S2CID22626679.
Ziegler, S.; Iu, H. H. C.; Woodward, R. C.; Borle, L. J. (1 June 2008). "Theoretical and practical analysis of a current sensing principle that exploits the resistance of the copper trace". 2008 IEEE Power Electronics Specialists Conference. pp. 4790–4796. doi:10.1109/PESC.2008.4592730. ISBN978-1-4244-1667-7. S2CID22626679.