Simulated interference colors chart from birefringence measurements in lyotropic calamitic nematic–biaxial nematic—discotic nematic phasesD. D. Lüders and E. AkpinarEur. Phys. J. E, 48 8-9 (2025) 46DOI: https://doi.org/10.1140/epje/s10189-025-00510-6