@misc{2019-collection-gcc,
 day = {20},
 kind = {collection},
 month = aug,
 note = {rev 5drYrAqHBGiXTCzBSjgg8dH1MnBgsb},
 title = {gcc},
 version = {rev 5drYrAqHBGiXTCzBSjgg8dH1MnBgsb},
 year = {2019}
}