TY - GEN AU - Sofer,S AU - Sefi,O AU - Strizhevsky,E AU - Aknin,H AU - Collins,S P AU - Nisbet,G AU - Detlefs,B AU - Sahle,Ch J AU - Shwartz,S TI - Observation of strong nonlinear interactions in parametric down-conversion of X-rays into ultraviolet radiation SN - 2041-1723 PY - 0000///122019/// PB - Nature communications N1 - Publication Type: Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1038/s41467-019-13629-w ER -