Agi Kurucz. Combining modal logics. In Patrick Blackburn, J. F. A. K. van Benthem, Frank Wolter, editors, Handbook of Modal Logic. Volume 3 of Studies in logic and practical reasoning, pages 869-924, North-Holland, 2007. [doi]
@incollection{Kurucz07, title = {Combining modal logics}, author = {Agi Kurucz}, year = {2007}, doi = {10.1016/s1570-2464(07)80018-8}, url = {https://doi.org/10.1016/s1570-2464(07)80018-8}, researchr = {https://researchr.org/publication/Kurucz07}, cites = {0}, citedby = {0}, pages = {869-924}, booktitle = {Handbook of Modal Logic}, editor = {Patrick Blackburn and J. F. A. K. van Benthem and Frank Wolter}, volume = {3}, series = {Studies in logic and practical reasoning}, publisher = {North-Holland}, isbn = {978-0-444-51690-9}, }