| Titles and authors | pages | 
| The
matrix model of vortex-beam quadrefringence in a uniaxial crystal Fadeyeva T.A., Rubass A.F., Volyar A.V. |  | 
| Luminescence centres
in dried urine samples containing urate and oxalate salts Bordun O.M., Drobchak O.Z. | 124 | 
| Studies of light
backscattering at concrete during its hydration Gorsky M.P., Maksimyak P.P., Maksimyak A.P. | 134 | 
| Peculiarities
of Raman scattering in nanometric superionic conductors Cu6PS5Br Studenyak I.P., Buchuk R.Yu., Kranjcec M., Stephanovich V.O., Panko V.V., Kokenyesi S. | 150 | 
| Temperature-dependent
changes of the exciton absorption spectra in polar semiconductors Derevyanchuk O.V., Kramar N.K., Kramar V.M. | 157 | 
| Acoustooptic and
acoustic properties of KLiB4O7 crystals Mys O.G. | 165 | 
| Retraction |