Carl Bracken Eimear Byrne Nadya Markin Gary McGuire On the Walsh Spectrum of a New APN Function. 92-98 2007 conf/ima/2007 IMA Int. Conf. http://dx.doi.org/10.1007/978-3-540-77272-9_6 db/conf/ima/ima2007.html#BrackenBMM07