@misc{2019-collection-gcc,
 day = {27},
 kind = {collection},
 month = sep,
 note = {rev 5dtQmFuHzLkYgb8vGcpjJ8sPT8GKSB},
 title = {gcc},
 version = {rev 5dtQmFuHzLkYgb8vGcpjJ8sPT8GKSB},
 year = {2019}
}