@Article{	  Efendiev.Lee.Li.ea:2015,
  author	= {Y. Efendiev and S. Lee and G. Li and J. Yao and N.
		  Zhang,},
  title		= {Hierarchical multiscale modeling for flows in fractured
		  media using Generalized Multiscale Finite Element Method},
  journal	= {to appear in International Journal on Geomathematics},
  volume	= {15},
  year		= {2015},
  pages		= {733-755},
  personid	= {341}
}