@misc{2019-collection-gcc,
 day = {22},
 kind = {collection},
 month = aug,
 note = {rev 5dtXWwpGbcLBQxDw1Wet6x1Z82UmG6},
 title = {gcc},
 version = {rev 5dtXWwpGbcLBQxDw1Wet6x1Z82UmG6},
 year = {2019}
}