1. A. Heister et al. (ALEPH collaboration), Eur. Phys. J. C 20, 401 (2001). arXiv:hep-ex/0104038
2. See, for example, the paper S. Berge, W. Bernreuther, H. Spiesberger, Phys. Lett. B 727 488, (2013). arXiv:1308.2674 [hep-ph] and many references therein
3. J.-C. Brient, H. Videau, in Proccedings of APS/DPF/DBP Summer Study on the Future of Particle Physics (Snowmass, Colorado, 2002). arXiv:hep-ex/0202004
4. M.A. Thomson, Nucl. Instrum. Methods A 611, 25 (2009). arXiv:0907.3577 [physics.ins-det]
5. The ILD Concept Group, “ILD Letter of Intent”, DESY 2009-87, KEK 2009-6 (2010). arXiv:1006.3396 [hep-ex]