DOI OWNER DEPOSIT-TIMESTAMP LAST-UPDATED CITED-BY-COUNT 10.22459/SPP.2019 10.22459 201904290108 2019-04-28 8 10.22459/SPP.2019.01 10.22459 201904290108 2020-12-08 1 10.22459/SPP.2019.02 10.22459 201904290108 2019-04-29 1 10.22459/SPP.2019.03 10.22459 201904290108 2019-04-29 2 10.22459/SPP.2019.04 10.22459 201904290108 2019-04-29 2 10.22459/SPP.2019.05 10.22459 201904290108 2019-11-23 0 10.22459/SPP.2019.06 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.07 10.22459 201904290108 2019-04-29 2 10.22459/SPP.2019.08 10.22459 201904290108 2019-11-23 0 10.22459/SPP.2019.09 10.22459 201904290108 2020-12-08 1 10.22459/SPP.2019.10 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.11 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.12 10.22459 201904290108 2019-04-29 1 10.22459/SPP.2019.13 10.22459 201904290108 2020-12-08 0 10.22459/SPP.2019.14 10.22459 201904290108 2020-12-08 0 10.22459/SPP.2019.15 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.16 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.17 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.18 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.19 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.20 10.22459 201904290108 2019-04-29 0 10.22459/SPP.2019.21 10.22459 201904290108 2019-11-23 2