DS-2001-05: Hoogland, Eva (2001) Definability and Interpolation: Model-theoretic investigations. Doctoral thesis, University of Amsterdam.
PP-2000-11: Hoogland, Eva and Marx, Maarten (2000) Interpolation in Guarded Fragments. [Report]
PP-1999-10: Hoogland, Eva (1999) Algebraic Characterizations of Various Beth Definability Properties. [Report]
PP-1999-20: Hoogland, Eva and Marx, Maarten and Otto, Martin (1999) Beth Definability for the Guarded Fragment. [Report]
ML-1998-11: Areces, Carlos and de Jongh, Dick and Hoogland, Eva (1998) The Interpolation Theorem for IL and ILP. [Report]