@misc{Koehler_Manuscripta,
 author={Koehler},
 howpublished={online},
 language={ger},
 language={lat},
 title={Manuscripta Lusatica II},
 keywords={12 w., 13 w., 14 w., 15 w., 16 w., 17 w., 18 w., Łużyce - historia},
}