@inproceedings{Bar-Han-Hee-Sch-Gir-2007,
    author={Alina L. Barbu and Remus G. Hanea and Arnold W. Heemink and 
           Martin Schaap and Pierre Girardeau },
    title={Estimation of sulphur emissions using ensemble smoothers },
    organization={Air Pollution Modeling and its Application XVIII },
    year={2007 },
    month={8},
    volume={6 },
    pages={301--317},
    publisher={C. Borrego & E. Renner (eds.) },
}