@Article{	  Peterseim.Carstensen:2013,
  author	= {Peterseim, Daniel and Carstensen, Carsten},
  title		= {Finite element network approximation of conductivity in
		  particle composites},
  journal	= {Numer. Math.},
  year		= {2013},
  volume	= {124},
  pages		= {73--97},
  number	= {1},
  annote	= {journal},
  coden		= {NUMMA7},
  doi		= {10.1007/s00211-012-0509-1},
  fjournal	= {Numer. Math.},
  issn		= {0029-599X},
  mrclass	= {Preliminary Data},
  mrnumber	= {3041730},
  url		= {http://dx.doi.org/10.1007/s00211-012-0509-1}
}