@inproceedings{KV99b,
	author	    =   "O. Kupferman and M.Y. Vardi",
        title       =   "Robust satisfaction", 
        booktitle   =   "Proc. 10th Conferance on Concurrency Theory",
        series      =   "Lecture Notes in Computer Science",
        volume	    =   "1664",
        pages       =   "383-398",
        publisher   =   "Springer-Verlag",
        month       =   "August",
        year        =   "1999"
}