Agents Expressed by Prepositionless Instrumental Modifying Czech Nouns Derived from Intransitive Verbs. In: Proceedings of the Seventh International Conference Slovko 2013; Natural Language Processing, Corpus Linguistics, E-learning, pp. 129-147, RAM-Verlag, Lüdenscheid, Germany, ISBN 978-3-942303-18-7 (local PDF, bibtex)