Guo, Yujuan; Shao, Guang; Li, Lanning; Wu, Wenhao; Li, Ruihong; Li, Jingjing; Song, Jian; Qiu, Liqin; Prashad, Mahavir; Kwong, Fuk Yee Advanced Synthesis and Catalysis, 2010, vol. 352, # 9 p. 1539 - 1553 doi: 10.1002/adsc.201000122