@misc{2017-collection-gcc,
 day = {22},
 kind = {collection},
 month = jun,
 note = {rev 5dtkjbHN9hv3ciXeoP4mkiibtTAVFR},
 title = {gcc},
 version = {rev 5dtkjbHN9hv3ciXeoP4mkiibtTAVFR},
 year = {2017}
}