WG I 131 Draft Minutes of the 2nd Ad hoc group Apparent Surface Lisbon (Pt) 29 11 2018_Issue2 by GTB Administrator | Dec 18, 2025
WG I 132 Draft Agenda for WG I 28th Meeting Torino (IT) 06 02 2019 by GTB Administrator | Dec 18, 2025
WG I 130 Draft Minutes for WG I 27th Meeting Lisbon (Pt) 29 11 2018_Issue2 by GTB Administrator | Dec 18, 2025
WG I 122 Draft Agenda for 2nd Ad hoc group Apparent Surface Lisbon (Pt) 29 11 2018 by GTB Administrator | Dec 18, 2025
WG I 121 Draft Agenda for WG I 27th Meeting Lisbon (Pt) 29 11 2018 NBL by GTB Administrator | Dec 18, 2025