@article{DurandJonesMakowskyMore:BSL:2012,
    Author = {Durand, Arnaud and Jones, Neil D. and Makowsky, Johann A. and More, Malika},
    Journal = {The Bulletin of Symbolic Logic},
    Number = {4},
    Pages = {505---553},
    Publisher = {Cambridge University Press},
    Title = {Fifty years of the spectrum problem: survey and new results},
    Volume = {18},
    Year = {2012},
    bdsk-url-1 = {https://doi.org/10.2178/bsl.1804020},
    date-added = {2019-10-03 15:13:08 +0200},
    date-modified = {2019-10-03 15:13:46 +0200},
    doi = {10.2178/bsl.1804020}
}

@article{DurandJonesMakowskyMore:BSL:2012, Author = {Durand, Arnaud and Jones, Neil D. and Makowsky, Johann A. and More, Malika}, Journal = {The Bulletin of Symbolic Logic}, Number = {4}, Pages = {505---553}, Publisher = {Cambridge University Press}, Title = {Fifty years of the spectrum problem: survey and new results}, Volume = {18}, Year = {2012}, bdsk-url-1 = {https://doi.org/10.2178/bsl.1804020}, date-added = {2019-10-03 15:13:08 +0200}, date-modified = {2019-10-03 15:13:46 +0200}, doi = {10.2178/bsl.1804020} }