<hi xmlns="http://www.tei-c.org/ns/1.0" rend="bold">Wick, Christoph / Reul, Christian / Puppe, Frank</hi><hi xmlns="http://www.tei-c.org/ns/1.0" style="font-size:10pt">(2018): "Comparison of OCR Accuracy on Early Printed Books using the Open Source Engines Calamari and OCRopus", in:</hi><hi xmlns="http://www.tei-c.org/ns/1.0" rend="italic" style="font-size:10pt">JLCL: Special Issue on Automatic Text and Layout Recognition: 79-96.</hi>