@misc{2018-collection-graphite,
 day = {12},
 kind = {collection},
 month = jun,
 note = {rev 5dtnbrKkaCGN5Bgov3HF5M74t9ePrS},
 title = {graphite},
 version = {rev 5dtnbrKkaCGN5Bgov3HF5M74t9ePrS},
 year = {2018}
}