@misc{Wróbel_Walenty_(1475-1537)_Opusculum,
 author={Wróbel, Walenty (1475-1537)},
 address={Lipsk},
 howpublished={online},
 publisher={Lipsiae Impressit Melchior Lottherus},
 language={lat},
 title={Opusculum Quadraqesimale per Valentinum Posnanianum recollectum, omnibus,& potissimum in Vinea Dñi laborantibus perutile},
 type={starodruk},
 keywords={Polska -- 16 w., Niemcy - 16 w., Polemiki religijne -- chrześcijaństwo -- 16 w., Early printed books -- 16th century, Sixteenth century},
}