Kentmere 1

@article{bib_Lanting_1998_Dates,
author={Lanting, Jan N},
journal={Palaeohistoria},
pages={627--650},
title={Dates for origin and diffusion of the European logboat}
}

@book{bib_Ellmers_1972_Fruhmittelalterliche,
author={Ellmers, Detlev},
publisher={K. Wachholtz},
title={Frühmittelalterliche Handelsschiffahrt in Mittel-und Nordeuropa},
volume={28}
}