RT Book T1 Positionum Astronomicarum Denarius ... / 5 De Motu Ipso & Quantitate eius / Quem Praeside Michaele Walthero ... ad d. 22. Iunii defendet Respondens Johannes Kern/ Witteb. Saxo. JF Positionum Astronomicarum Denarius ... A1 Walther, Michael 1638-1692 A1 Kern, Johann -1682 A2 Kern, Johann -1682 A2 Meyer, Michael LA Latin PP Wittenbergae PB Meyer YR 1667 UL https://ixtheo.de/Record/642400768