Time series of high resolution photospheric spectra in a quiet region of the sun - I. Analysis of global and spatial variations of line parametersK. Puschmann, M. Vázquez, J. A. Bonet, B. Ruiz Cobo and A. HanslmeierA&A, 408 1 (2003) 363-378DOI: https://doi.org/10.1051/0004-6361:20030979