Reinfried, S. and Schuler, S. 2009. The Ludwigsburg-Lucerne Bibliography on Conceptual Change Research in the Geosciences – A Project to Establish a Comprehensive Collection of International Research Papers in the Field. Journal of Geography Education. 37, 3 (Sep. 2009), 120–135. DOI:https://doi.org/10.60511/zgd.v37i3.203.