[3] Cercaci L, Rodriguez-Estrada M T, Lercker G. Journal of Chromatography A, 2003, 985: 211.
[4] Zabaras D, Gordon M H. Food Chemistry, 2004, 84: 475.
[7] Zhang L G, Zhang X, Ni L J, et al. Food Chemistry, 2014, 145: 342.
[9] Tipping M E. Journal of Machine Learning Research, 2001, 1(3): 211.
[10] Caesarendra W, Widodo A, Yang B S. Mechanical Systems and Signal Processing, 2010, 24(4): 1161.
[11] Rodriguez A, Laio A. Science, 2014, 344(6191): 1492.