Advances in Mathematics 220 ( 6 ): 1689 - 1716 , 2009
Weiqi Zeng, Yun Deng, Zhiyuan Yang, Wuzhou Yuan, Wen Huang, Chuanbin Zhu, Yan Bai, Yongqing Li, Zhonglu Peng, Yuequn Wang, Ying Zhu, Mingyao Liu and Xiushan Wu
Biotechnology 5 ( 3 ): 341 - 343 , 2006