@inbook{Kai_Huuck_10, author = {Engelhardt, Kai and Huuck, Ralf}, booktitle = {Concurrency, Compositionality, and Correctness: Essays in Honor of Willem-Paul de Roever}, editor = {{Dennis Dams, Ulrich Hannemann, Martin Steffen }}, isbn = {364211511X}, month = feb, pages = {250--259}, publisher = {Springer}, series = {Lecture Notes in Computer Science}, title = {Smaller Abstraction for {ACTL}* Without Next}, volume = {5930}, year = {2010} }