Molecular gas in radio galaxies in dense megaparsec-scale environments at z = 0.4–2.6G. Castignani, F. Combes, P. Salomé, C. Benoist, M. Chiaberge, J. Freundlich and G. De ZottiA&A, 623 (2019) A48DOI: https://doi.org/10.1051/0004-6361/201834066