1. The use of Kripke's schema as a reduction principle;van Dalen;J. Symbolic Logic,1977
2. An interpretation of intuitionistic analysis;van Dalen;Ann. Math. Logic,1978
3. How to glue analysis models;van Dalen;J. Symbolic Logic,1984
4. Glueing of analysis models in an intuitionistic setting;van Dalen;Studia Logica,1986
5. Sheaf models for analysis;Fourman,1979