Biberauer, T & van Heukelum, M. (In Press). “Not Nothing: the Significance of Timing Differences in the Acquisition of Afrikaans and Dutch geen (‘no’)”. BUCLD 49 Proceedings, Cascadilla Press.
Biberauer, T & van Heukelum, M. (2025). “Afrikaans negation is really unlike Dutch negation: corpus-based evidence from the acquisition and use of geen”. Nederlandse Taalkunde. 30 (1/2), 9-46. DOI: 10.5117/NEDTAA2025.1-2.003.BIBE.
Biberauer, T & van Heukelum, M. (2023). “Timing differences in the acquisition of geen in Afrikaans and Dutch: an exploratory corpus-based study”. In Proceedings of the 4th International Afrikaans Grammar Workshop, edited by Adri Breed. Potchefstroom: North-West University. pp. 69-92. DOI: 10.25388/nwu.25052714.
Southwood, F. & van Heukelum, M. (2020). Intercultural communicative competence is essential for students of international business – but can it be taught? The case of third-year BCom students. South African Journal of Higher Education.
Biberauer, T., van Heukelum, M. L., & Duke, L. (2017). ‘Ja-nee. No, I`m fine’: A note on YES and NO in South Africa. Stellenbosch Papers in Linguistics, 48, 67-86.