Neutron diffraction from photoinduced gratings in a PMMA matrix.

@article{Rupp1990NeutronDF,
  title={Neutron diffraction from photoinduced gratings in a PMMA matrix.},
  author={Rupp and Hehmann and Matull and Ibel},
  journal={Physical review letters},
  year={1990},
  volume={64 3},
  pages={301-302}
}