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2. Achievements of KEKB;Abe;Prog. Theor. Exp. Phys.,2013
3. Accelerator design at SuperKEKB;Ohnishi;Prog. Theor. Exp. Phys.,2013
4. Preliminary version of Technical Design Report of SuperKEKB, https://kds.kek.jp/indico/event/15914/.
5. SuperB Conceptual Design Report, INFN/AE-07/2, SLAC-R-856, LAL 07-15, March 2007, https://arxiv.org/pdf/0709.0451.pdf.