1. K. Fukushima, QCD matter in extreme environments, J. Phys. G 39 (2012) 013101 [ arXiv:1108.2939 ] [ INSPIRE ].
2. N. Brambilla et al., QCD and Strongly Coupled Gauge Theories: Challenges and Perspectives, Eur. Phys. J. C 74 (2014) 2981 [ arXiv:1404.3723 ] [ INSPIRE ].
3. Y. Akiba et al., The Hot QCD White Paper: Exploring the Phases of QCD at RHIC and the LHC, arXiv:1502.02730 [ INSPIRE ].
4. B. Müller, A New Phase of Matter: quark-gluon Plasma Beyond the Hagedorn Critical Temperature, arXiv:1501.06077 [ INSPIRE ].
5. U. Heinz et al., Exploring the properties of the phases of QCD matter — research opportunities and priorities for the next decade, arXiv:1501.06477 [ INSPIRE ].