@inproceedings{DawarGroKreSch07, title = "Model theory makes formulas large", author = "Anuj Dawar and Martin Grohe and Stephan Kreutzer and Nicole Schweikardt", year = "2007", booktitle = "International Colloquium on Automata, Languages and Programming (ICALP)", pages = "913-924", series = "Lecture Notes in Computer Science", volume = "4596", }