Four new planets around giant stars and the mass-metallicity correlation of planet-hosting starsM. I. Jones, J. S. Jenkins, R. Brahm, R. A. Wittenmyer, F. Olivares E., C. H. F. Melo, P. Rojo, A. Jordán, H. Drass, R. P. Butler and L. WangA&A, 590 (2016) A38DOI: https://doi.org/10.1051/0004-6361/201628067
