@misc{2021-collection-gcc,
 day = {2},
 kind = {collection},
 month = apr,
 note = {rev 5dt7iZuhk5xRuGynvECAEuwLrXnvDp},
 title = {gcc},
 version = {rev 5dt7iZuhk5xRuGynvECAEuwLrXnvDp},
 year = {2021}
}