@chapter{HummelSkrzypczakTorunczyk,
    Author = {Hummel, Szczepan and Skrzypczak, Micha{\l} and Toru{\'n}czyk, Szymon},
    BookTitle = {Mathematical Foundations of Computer Science 2010},
    File = {On the Topological Complexity of MSO+U and Related Automata Models - Hummel, Skrzypczak, Toruńczyk (0) (0) - a - a - d.pdf},
    Keywords = {MSO+U},
    Pages = {429--440},
    Series = {Lecture Notes in Computer Science},
    Title = {On the Topological Complexity of MSO+U and Related Automata Models},
    Volume = {6281},
    Year = {2010},
    bdsk-url-1 = {http://www.springerlink.com/content/u5500q617787340m/fulltext.pdf},
    bdsk-url-2 = {http://dx.doi.org/10.1007/978-3-642-15155-2\_38},
    date-added = {2012-03-13 12:36:07 +0100},
    date-modified = {2012-03-19 08:01:33 +0000},
    doi = {10.1007/978-3-642-15155-2_38}
}

@chapter{HummelSkrzypczakTorunczyk, Author = {Hummel, Szczepan and Skrzypczak, Micha{\l} and Toru{\'n}czyk, Szymon}, BookTitle = {Mathematical Foundations of Computer Science 2010}, File = {On the Topological Complexity of MSO+U and Related Automata Models - Hummel, Skrzypczak, Toruńczyk (0) (0) - a - a - d.pdf}, Keywords = {MSO+U}, Pages = {429--440}, Series = {Lecture Notes in Computer Science}, Title = {On the Topological Complexity of MSO+U and Related Automata Models}, Volume = {6281}, Year = {2010}, bdsk-url-1 = {http://www.springerlink.com/content/u5500q617787340m/fulltext.pdf}, bdsk-url-2 = {http://dx.doi.org/10.1007/978-3-642-15155-2_38}, date-added = {2012-03-13 12:36:07 +0100}, date-modified = {2012-03-19 08:01:33 +0000}, doi = {10.1007/978-3-642-15155-2_38} }