H. Wysocka

A cross-linguistic perspective on the development of temporal systems

R. Weist, P. Lyytinen, H. Wysocka, 1991, Journal of Child Language.

Spatial and temporal systems in child language and thought: a cross-linguistic study

R. Weist, H. Wysocka, M. Atanassova, 1999 .

The defective tense hypothesis: on the emergence of tense and aspect in child Polish

R. Weist, H. Wysocka, K. Witkowska-stadnik, 1984, Journal of Child Language.