Liaoning Qinglonghe Ziran Baohuqu zong he ke xue kao cha bao gaoJuchun Luo, Yujun Zhang, Shaohua Xing, Nan Wang · First published 2013Open the Tome
Advances in Web-Age Information ManagementXiaofeng Meng, Jianwen Su, Yujun Wang · First published 2003Open the Tome
Beijing dian ying xue yuan si shi nian : 1950-1990Yujun Shi, Shen Shen, Jie Ren, Enpu Yang, Zheng Wang · First published 1990Open the Tome
