@misc{Spero_Joshua_B._The_1992., author={Spero, Joshua B.}, address={Warsaw}, howpublished={online}, year={1992.}, publisher={Polish Institute of International Affairs}, language={eng}, title={The Warsaw-Prague-Budapest Triangle : Central European security after the Visegrad summit}, keywords={kraje Europy Środkowo-Wschodniej, regionalne bezpieczeństwo międzynarodowe, Grupa Wyszehradzka}, }