C.  Miller and Shi, Y., ?Optimal robust self-testing by binary nonlocal XOR games?, in 8th Conference on the Theory of Quantum Computation, Communication and Cryptography, TQC 2013, vol. 22, Schloss Dagstuhl- Leibniz-Zentrum fur Informatik GmbH, Dagstuhl Publishing, 2013, pp. 254?262.