@inproceedings{Vardi:1988:TFC:73560.73582,
    Address = {New York, NY, USA},
    Author = {Vardi, M. Y.},
    BookTitle = {Proceedings of the 15th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages},
    File = {A Temporal Fixpoint Calculus - Vardi (0) (0) - a - a - n.pdf},
    ISBN = {0-89791-252-7},
    Location = {San Diego, California, USA},
    Pages = {250--259},
    Publisher = {ACM},
    Series = {POPL '88},
    Title = {A Temporal Fixpoint Calculus},
    URL = {http://doi.acm.org/10.1145/73560.73582},
    Year = {1988},
    acmid = {73582},
    bdsk-url-1 = {http://doi.acm.org/10.1145/73560.73582},
    bdsk-url-2 = {http://dx.doi.org/10.1145/73560.73582},
    date-added = {2014-05-28 10:37:43 +0000},
    date-modified = {2014-05-28 10:37:43 +0000},
    numpages = {10},
    doi = {10.1145/73560.73582}
}

@inproceedings{Vardi:1988:TFC:73560.73582, Address = {New York, NY, USA}, Author = {Vardi, M. Y.}, BookTitle = {Proceedings of the 15th ACM SIGPLAN-SIGACT Symposium on Principles of Programming Languages}, File = {A Temporal Fixpoint Calculus - Vardi (0) (0) - a - a - n.pdf}, ISBN = {0-89791-252-7}, Location = {San Diego, California, USA}, Pages = {250--259}, Publisher = {ACM}, Series = {POPL '88}, Title = {A Temporal Fixpoint Calculus}, URL = {http://doi.acm.org/10.1145/73560.73582}, Year = {1988}, acmid = {73582}, bdsk-url-1 = {http://doi.acm.org/10.1145/73560.73582}, bdsk-url-2 = {http://dx.doi.org/10.1145/73560.73582}, date-added = {2014-05-28 10:37:43 +0000}, date-modified = {2014-05-28 10:37:43 +0000}, numpages = {10}, doi = {10.1145/73560.73582} }