@Article{	  Griebel.Thurner:1993,
  author	= {M. Griebel and V. Thurner},
  title		= {Solving {CFD}-problems efficiently by the combination
		  method},
  journal	= {CFD-news},
  volume	= 3,
  number	= 4,
  pages		= {19--31},
  annote	= {article},
  year		= {1993}
}