Reconstructing the projected gravitational potential of Abell 1689 from X-ray measurementsCéline Tchernin, Charles L. Majer, Sven Meyer, Eleonora Sarli, Dominique Eckert and Matthias BartelmannA&A, 574 (2015) A122DOI: https://doi.org/10.1051/0004-6361/201323242