@misc{2021-collection-gcc,
 day = {12},
 kind = {collection},
 month = apr,
 note = {rev 5dspd4hbkJJheD7r2riLSdnCDAJa6U},
 title = {gcc},
 version = {rev 5dspd4hbkJJheD7r2riLSdnCDAJa6U},
 year = {2021}
}