DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.3115/1118754 10.3115 20070511112512 2013-12-16 0 10.3115/1118754.1118755 10.3115 20070511112512 2013-12-16 0 10.3115/1118754.1118756 10.3115 20070511112512 2013-12-16 0 10.3115/1118754.1118758 10.3115 20070511112512 2013-12-16 4 10.3115/1118754.1118757 10.3115 20070511112512 2013-12-16 8