TY - Chin. Phys. Lett. A1 - LIU Zhi-Hao, CHEN Han-Wu, LIU Wen-Jie, XU Juan T1 - Comment on "A Quantum Network System of QSS-QDC Using χ-Type Entangled States" [Chin. Phys. Lett. 29 (2012) 050303] Y1 - 2013-02-28 JF - Chinese Physics Letters JO - Chin. Phys. Lett. SP - 039901EP - 039901 VL - 30 IS - 3 UR - https://cpl.iphy.ac.cn N1 - 10.1088/0256-307X/30/3/039901 ER -