Němec, I. - Hajičová, E., Leška, O., Sgall, P., Skoumalová, Z., eds. The Redundancy of Grammatical Agreement as a Development Factor. Amsterdam: J. Benjamins, 1995. ISSN 1383-7583. In: Travaux du Cercle Linguistique de Prague n.s. - Prague Linguistic Circle Papers. , s. 231-238.