@misc{havermeyer_nondestructive_resolution_1998, 
author={Havermeyer, F.,Rupp, R. A.,Lyuksyutov, S. F.,Eckerlebe, H.,Staron, P.,Vollbrandt, J.},
title={Nondestructive resolution of higher harmonics of light-induced volume gratings in PMMA with Cold Neutrons},
year={1998},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Havermeyer, F.; Rupp, R.; Lyuksyutov, S.; Eckerlebe, H.; Staron, P.; Vollbrandt, J.: Nondestructive resolution of higher harmonics of light-induced volume gratings in PMMA with Cold Neutrons. Physical Review Letters. 1998. vol. 80, no. 15, 3272-3275.}}