{"id":"003009063","type":"book","title":"The richness of silver ore in the Middle Ages","publisher":"Verlag Marie Leidorf","publisher-place":"Bochum : Rahden/Westf","pages":"39-44","container-title":"Mittelalterliche Bergbautechnik in historischen und archäologischen Quellen : Sammelband zum interdisziplinären Workshop vom 1.-3. Dezember 2016 in Herne, 16169212 | ISSN: 978-3-86757-039-8","author":[{"family":"Merkel","given":"Stephen William"}],"issued":{"raw":"2020"}}