@article{Jović2017, author = "D. Jović and D. Arsenović and A. Strinić and M. Belić and M. Petrović", title = "{Media 35: Counterpropagating optical vortices in photorefractive crystals}", year = "2017", month = "4", url = "https://opticapublishing.figshare.com/articles/media/Media_35_Counterpropagating_optical_vortices_in_photorefractive_crystals/4933034", doi = "10.1364/OPEX.13.004379.m035" }