Spectroscopic metallicities for planet-host stars: Extending the samplesN. C. Santos, G. Israelian, M. Mayor, J. P. Bento, P. C. Almeida, S. G. Sousa and A. EcuvillonA&A, 437 3 (2005) 1127-1133DOI: https://doi.org/10.1051/0004-6361:20052895