@incollection{,
address  = {},
author = {Mikolajczyk, Andrzej},
booktitle = {Nummus et Historia. Pieniadz Europy sredniowiecznej},
keywords = {Mittelalter; Münzen},
pages = {57-61},
title={Trzy nasladowcze pensy typu Crux znalezione na Kujawach [Three imitative Crux-type pennies found in Kujawy]},
uniqueid = {879160},
url = {http://opac.regesta-imperii.de/id/879160},
year = {1985}
}