Hemmer, Ingrid, et al. “Interests of Students in Geoscientific Topics: Results of a Study of Interests Within the Context of the Project ‘Forschungsdialog System Erde’”. Journal of Geography Education, vol. 33, no. 2, June 2005, pp. 57-72, https://doi.org/10.60511/zgd.v33i2.243.