High spatial resolution capabilities of Doppler measurements with the Pic du Midi MSDP spectrographTh. Roudier, J. M. Malherbe, P. Mein, R. Muller, C. Coutard, M. Lafon and F. GrimaudA&A, 409 2 (2003) 793-797DOI: https://doi.org/10.1051/0004-6361:20031077