Jürgens, Ulrich. “‘Real’ Versus ‘mental’ Food Deserts from the Consumer Perspective – Concepts and Quantitative Methods Applied to Rural Areas of Germany”. DIE ERDE – Journal of the Geographical Society of Berlin 149, no. 1 (March 30, 2018): 25–43. Accessed April 25, 2024. https://www.die-erde.org/index.php/die-erde/article/view/350.