@Article{	  Buecker07,
  author	= {H. M. B{\"u}cker and J. Willkomm and S. Gro{\ss} and O.
		  Fortmeier},
  title		= {Discrete and Continuous Adjoint Approaches to Estimate
		  Boundary Heat Fluxes in Falling Films},
  journal	= {Optimization Methods and Software},
  year		= {2009},
  doi		= {10.1080/10556780903341711},
  annote	= {article}
}