22 Nov 2016	Draft agenda for the 4th VGL informal group session	VGL-04-01	2016-11-22
22 Nov 2016	VGL informal group status report to GRE	VGL-04-02	2016-11-22
24 Oct 2016	Participants list from the 4th VGL informal group session	VGL-04-03	2016-10-24
31 Jan 2017	Final report of the 4th VGL informal group session	VGL-04-04	2017-01-31
25 Oct 2016	Consolidated explanations for GRE-73-18	VGL-04-05	2016-10-25
22 Nov 2016	Status report on the work of the Visibility, Glare, and Leveling (VGL) informal group	VGL-04-06	2016-11-22