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Georgoulis, Emmanuil H.; Lakkis, Omar; Wihler, Thomas P. (2021). A posteriori error bounds for fully-discrete hp-discontinuous Galerkin timestepping methods for parabolic problems. Numerische Mathematik, 148(2), pp. 363-386. Springer-Verlag 10.1007/s00211-021-01187-7