@incollection{Ryskin17, author = {Aleksandr I. Ryskin and Aleksandr E. Angervaks and Andrei V. Veniaminov}, title = {Fluorite Crystals with Color Centers: A Medium for Recording Extremely Stable but Broadly Transformable Holograms}, booktitle = {Holographic Materials and Optical Systems}, publisher = {IntechOpen}, address = {Rijeka}, year = {2017}, editor = {Izabela Naydenova and Dimana Nazarova and Tsvetanka Babeva}, chapter = {18}, doi = {10.5772/66114}, url = {https://doi.org/10.5772/66114} }