@misc{_[Schreibkalender],
 howpublished={online},
 language={lat},
 language={ger},
 title={[Schreibkalender]},
 title={Practica meteorologica ...},
 title={Der Ander Theil der Practica von der Witterung},
 title={Grosse Practica Astrologica ...},
 keywords={17 w., kalendarz},
}