@misc{2019-library-png,
 day = {12},
 kind = {library},
 month = jun,
 note = {rev 5duE2jJVL6TUu1PfMqvcUT7Ng5MMZu},
 title = {png},
 version = {rev 5duE2jJVL6TUu1PfMqvcUT7Ng5MMZu},
 year = {2019}
}