18 March 2018 Invitation to the 9th PSG informal group session PSG-09-01	PSG-09-01	2018-03-18
9 April 2018 Draft agenda for the 9th PSG informal group session PSG-09-01/Rev.1	PSG-09-01/Rev.1	2018-04-09
11 April 2018 Final minutes of the 8th PSG informal group session PSG-08-05/Rev.1	PSG-08-05/Rev.1	2018-04-11
9 October 2018 Final report of the 9th PSG informal group session PSG-09-02	PSG-09-02	2018-10-09
20 April 2018 Participants list from the 9th PSG informal group session PSG-09-03	PSG-09-03	2018-04-20
4 October 2018 Draft agenda for the 10th PSG informal group session PSG-10-01/Rev.2	PSG-10-01/Rev.2	2018-10-04
4 October 2018 Invitation to the 10th PSG informal group session PSG-10-01/Add.1	PSG-10-01/Add.1	2018-10-04
9 October 2018 Ceramic printed area changes cases in Korea (KATRI) PSG-10-02	PSG-10-02	2018-10-09
15 October 2018 Participants list from the 10th PSG informal group session PSG-10-04	PSG-10-04	2018-10-15