Anssi Yli-Jyrä Jyrki Niemi Pivotal Synchronization Languages: A Framework for Alignments. 271-282 2005 conf/fsmnlp/2005 FSMNLP http://dx.doi.org/10.1007/11780885_26 db/conf/fsmnlp/fsmnlp2005.html#Yli-JyraN05