@inproceedings{PlaceZeitoun:LICS:2014,
    Address = {New York, NY, USA},
    Author = {Place, Thomas and Zeitoun, Marc},
    BookTitle = {Proc. of CSL-LICS'14},
    File = {Separating Regular Languages with First-order Logic - Place, Zeitoun (0) (0) - a - a - d.pdf},
    ISBN = {978-1-4503-2886-9},
    Keywords = {Ehrenfeucht-Fra\"{\i}ss{\'e} games, expressive power, first-order logic, infinite words, regular languages, semigroups, separation, words},
    Location = {Vienna, Austria},
    Pages = {75:1--75:10},
    Publisher = {ACM},
    Series = {CSL-LICS '14},
    Title = {Separating Regular Languages with First-order Logic},
    URL = {http://doi.acm.org/10.1145/2603088.2603098},
    Year = {2014},
    acmid = {2603098},
    articleno = {75},
    bdsk-url-1 = {http://doi.acm.org/10.1145/2603088.2603098},
    bdsk-url-2 = {http://dx.doi.org/10.1145/2603088.2603098},
    date-added = {2016-01-29 11:38:39 +0000},
    date-modified = {2016-01-29 12:32:27 +0000},
    numpages = {10},
    doi = {10.1145/2603088.2603098}
}

@inproceedings{PlaceZeitoun:LICS:2014, Address = {New York, NY, USA}, Author = {Place, Thomas and Zeitoun, Marc}, BookTitle = {Proc. of CSL-LICS'14}, File = {Separating Regular Languages with First-order Logic - Place, Zeitoun (0) (0) - a - a - d.pdf}, ISBN = {978-1-4503-2886-9}, Keywords = {Ehrenfeucht-Fra\"{\i}ss{\'e} games, expressive power, first-order logic, infinite words, regular languages, semigroups, separation, words}, Location = {Vienna, Austria}, Pages = {75:1--75:10}, Publisher = {ACM}, Series = {CSL-LICS '14}, Title = {Separating Regular Languages with First-order Logic}, URL = {http://doi.acm.org/10.1145/2603088.2603098}, Year = {2014}, acmid = {2603098}, articleno = {75}, bdsk-url-1 = {http://doi.acm.org/10.1145/2603088.2603098}, bdsk-url-2 = {http://dx.doi.org/10.1145/2603088.2603098}, date-added = {2016-01-29 11:38:39 +0000}, date-modified = {2016-01-29 12:32:27 +0000}, numpages = {10}, doi = {10.1145/2603088.2603098} }