Rosenbohm, H.-O. “Äquivalentlose Lemmata Und Kulturgebundene Wörter in Zweisprachigen Wörterbüchern”. HERMES - Journal of Language and Communication in Business, vol. 4, no. 6, July 1991, pp. 111-23, doi:10.7146/hjlcb.v4i6.21458.