Malchukov, Andrej L. Department of Linguistics, Max Planck Institute for Evolutionary Anthropology, Max Planck Society;
Malchukov, A. L., & de Hoop, H. (2011). Tense, aspect, and mood based differential case marking. Semantic Aspects of Case Variation, 35-47. doi:10.1016/j.lingua.2010.07.003.