Wei Yuechang, Zhao Zhen, Liu Jian, Xu Chunming, Jiang Guiyuan, Duan Aijun
State Key Laboratory of Heavy Oil Processing, China University of Petroleum, 18#, Fuxue Road, Chang Ping, Beijing 102249, China.
Small. 2013 Dec 9;9(23):3957-63. doi: 10.1002/smll.201301027. Epub 2013 Jun 24.