Perin, G., Łukasz Chmielewski, L. Batina, and S. Picek. “Keep It Unsupervised: Horizontal Attacks Meet Deep Learning”. IACR Transactions on Cryptographic Hardware and Embedded Systems, Vol. 2021, no. 1, Dec. 2020, pp. 343-72, doi:10.46586/tches.v2021.i1.343-372.