@misc{koelker_ordering_in_1988, 
author={Koelker, W., Wagner, R., Nembach, E.},
title={Ordering in a-iron-silicon single crystals investigated by neutron-scattering},
year={1988},
howpublished = {journal article},
note = {Koelker, W.; Wagner, R.; Nembach, E.: Ordering in a-iron-silicon single crystals investigated by neutron-scattering. Journal of Physics  F. 1988. vol. 18, 2513-2527.}}