Quantum deformations of D=4 Lorentz algebra revisited: twistings of q-deformationA. Borowiec, J. Lukierski and V. N. TolstoyEur. Phys. J. C, 57 3 (2008) 601-611DOI: https://doi.org/10.1140/epjc/s10052-008-0694-3