@misc{_Regesta,
 address={Göttingen},
 howpublished={online},
 publisher={Vandenhoeck und Ruprecht},
 language={ger},
 title={Regesta historico-diplomatica Ordinis S. Mariae Theutonicorum : 1198-1525. Register zu P.1 und P. 2},
 type={książka},
}