DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.1109/PAST.2003.1256988 10.1109 20060908 2017-03-13 6 10.1109/RIDE.2003.1249848 10.1109 20110915 2017-03-13 0 10.1109/RIDE.2003.1249838 10.1109 20110915 2017-03-13 0