1
by Grädel, Erich
Published 2002
Springer-Verlag Berlin Heidelberg

2
by Grädel, Erich, Kolaitis, Phokion G., Libkin, Leonid, Marx, Maarten
Published 2007
Springer Berlin Heidelberg

4
by Flum, Jörg
Published 2008
Amsterdam University Press
Other Authors: ...Grädel, Erich...