2015, Article in monograph or in proceedings (Wolters, M.; Livingstone, J.; et al. (ed.), Proceedings of the 18th International Congress of Phonetic Sciences [ICPhS 2015], pp. electr)
2011, Article in monograph or in proceedings (Proceedings of the 12th Annual Conference of the International Speech Communication Association (Interspeech 2011), pp. 149-152)