Balzer, Dave, Tim Sawert, Marie Schlosser, Annalena Röser, and Gunnar Otte. “Measuring Cultural Capital Using Book Collections. What Are We Missing by Not Asking About Digital Objects?”. Measurement Instruments for the Social Sciences 7 (March 26, 2025): Article e13523. Accessed May 9, 2026. https://miss.psychopen.eu/index.php/miss/article/view/13523.