@misc{2017-collection-gcc,
 day = {17},
 kind = {collection},
 month = jun,
 note = {rev 5dsUmv7n7M1BxjgHMiqikfHFTvXJvZ},
 title = {gcc},
 version = {rev 5dsUmv7n7M1BxjgHMiqikfHFTvXJvZ},
 year = {2017}
}