@article{ DBLP:journals/ai/BacchusTK91, author = {Fahiem Bacchus and Josh D. Tenenberg and Johannes A. G. M. Koomen} } , title = {A Non-Reified Temporal Logic} } , url = {BTKAIJ91.pdf} } , journal = {Artif. Intell.} } , area = {Knowledge Representation} } , number = {1} } , volume = {52} } , year = {1991} } , bibsource = {DBLP http://dblp.uni-trier.de} } , pages = {87-108} }