The photospheric solar oxygen project - III. Investigation of the centre-to-limb variation of the 630 nm [O I]-Ni I blendE. Caffau, H.-G. Ludwig, M. Steffen, W. Livingston, P. Bonifacio, J.-M. Malherbe, H.-P. Doerr and W. SchmidtA&A, 579 (2015) A88DOI: https://doi.org/10.1051/0004-6361/201526331
