International Union of History and Philosophy of Science Division of Logic, Methodology and Philosophy of Science Bulletin no. 11
@article{Hilpinen1987InternationalUO, title={International Union of History and Philosophy of Science Division of Logic, Methodology and Philosophy of Science Bulletin no. 11}, author={Risto Hilpinen}, journal={Studia Logica}, year={1987}, volume={46}, pages={111-112} }