DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.26697/9789669726056.2015.127 10.26697 202004150639 2020-04-15 1 10.26697/9789669726056.2015.130 10.26697 201712251700 2017-12-25 0 10.26697/9789669726056.2015 10.26697 202004150639 2020-04-15 3