Alt-Ladoga

@article{bib_Okorokov_1995_Archaeological,
author={Okorokov, Alex},
journal={The International journal of nautical archaeology},
number={1},
pages={33--45},
publisher={Taylor & Francis},
title={Archaeological finds of ancient dugouts in Russia and the Ukraine},
volume={24}
}

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