@ARTICLE{Paumard:2005:GC,
    author = {T. Paumard and G. Perrin and A. Eckart and R. Genzel and P. L'ena and R. Sch{\"o}del and F. Eisenhauer and T. M{\"u}ller and S. Gillessen},
    title  = {{Scientific Prospects for VLTI in the Galactic Centre: Getting to the Schwarzschild Radius}},
    journal = {Astron. Nachr.},
    year   = {2005},
    volume = {326},
    pages =  {568}
}