DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.1520/STP43C-EB 10.1520 20090320094231 2015-04-07 0 10.1520/STP34670S 10.1520 20090320094231 2015-04-07 0 10.1520/STP34671S 10.1520 20090320094231 2015-04-07 0 10.1520/STP34672S 10.1520 20090320094231 2015-04-07 0