@misc{2017-collection-gcc,
 day = {5},
 kind = {collection},
 month = jun,
 note = {rev 5draJhQ4qWv9kxwj12FRxFPp7xLtR3},
 title = {gcc},
 version = {rev 5draJhQ4qWv9kxwj12FRxFPp7xLtR3},
 year = {2017}
}