DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.33216/ConferenceMaterialsSNU(978-617-11-0162-3)-1-2020-188 10.33216 202005050559 2020-05-05 0 10.33216/ConferenceMaterialsSNU(978-617-11-0162-3)-2-2020-212 10.33216 202005050633 2020-05-05 2