de Groot, A. M. B., & Poot, R. (1997). Word translation at three levels of proficiency in a second language: the ubiquitous involvement of conceptual memory. Language Learning, 47(2), 215-264. https://doi.org/10.1111/0023-8333.71997007

Phaf, R. H., & Wolters, G. (1996). Elaboration effects in implicit and explicit memory tests. Psychological Research, 58, 284-293. https://doi.org/10.1007/BF00447074

Donker, A., Phaf, R. H., Porcelijn, T., & Bonke, B. (1996). Processing of familiar and unfamiliar auditory stimuli during general anaesthesia. Anesthesia and Analgesia, 82, 452-453. https://doi.org/10.1097/00000539-199603000-00003