@misc{Lievens_R_Middelnederlandse_1963,
 author={Lievens R},
 address={Gent},
 howpublished={online},
 year={1963},
 publisher={Secret. der Akademie},
 language={eng},
 type={a - dokument piśmienniczy (druk)},
 title={Middelnederlandse Handschriften in Oost-Europa / R. Lievens},
}