DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.1109/PSES.2007.4378474 10.1109 20160411160022468 2017-03-16 5 10.1109/PSES.2007.4378478 10.1109 20200127162840473 2020-02-05 4 10.1109/PSES12553.2007 10.1109 20200127162840473 2020-02-05 0