Robert Stalnaker. Possible worlds and situations. J. Philosophical Logic, 15(1):109-123, 1986. [doi]
@article{Stalnaker86, title = {Possible worlds and situations}, author = {Robert Stalnaker}, year = {1986}, doi = {10.1007/BF00250551}, url = {http://dx.doi.org/10.1007/BF00250551}, researchr = {https://researchr.org/publication/Stalnaker86}, cites = {0}, citedby = {0}, journal = {J. Philosophical Logic}, volume = {15}, number = {1}, pages = {109-123}, }