JANKOVIČ POTOČNIK, Aleksander; ZUPANČIČ, Matej; MARN, Anton. Handbook of typical historic technologies of fortress constructions : saving of European cultural heritage fortified monuments in Central Europe. Ljubljana : Zavod za varstvo kulturne dediščine Slovenije, 2014. 104 str.. http://www.central2013.eu/fileadmin/user_upload/Downloads/outputlib/Forte_Cultura_Historic_technologies_of_fortress_constructions.pdf. ISBN 978-961-6902-78-6.