DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.1520/STP52-EB 10.1520 20090828132853 2015-04-07 0 10.1520/STP48400S 10.1520 20090828132853 2015-04-07 0 10.1520/STP48402S 10.1520 20090828132853 2015-04-07 0 10.1520/STP48401S 10.1520 20090828132853 2015-04-07 0