Time-resolved luminescence spectra of greater celandine plant extract (Chelidonium majus L.) M. S. Rabasovic, B. P. Marinkovic, M. D. Rabasovic, M. G. Nikolic and D. Sevic Eur. Phys. J. D, 75 6 (2021) 180 Published online: 15 June 2021 DOI: 10.1140/epjd/s10053-021-00185-6