Spectral and electroluminescent properties of coordination compounds of terbium (III) with ibuprofen (in solid form, chloroform solutions, and polyvinylcarbazole films) / L. G. Samsonova, T. N. Kopylova, K. M. Degtyarenko [et.al.] // Optics and spectroscopy. 2015. Vol. 119, № 2. P. 221-228. URL: http://vital.lib.tsu.ru/vital/access/manager/Repository/vtls:000574722