@bookPart{Gergel_2017,
title={Dimensions of variation in Old English modals},
author={Gergel, Remus},
editor={Arregui, Ana and Rivero, María Luisa and Salanova, Andrés},
isbn={978-0-19-871820-8},
doi={http://dx.doi.org/10.22028/D291-32765},
adress={Oxford},
pages={179-207},
publisher={Oxford University Press},
booktitle={Modality across syntactic categories},
year={2017}
}