@misc{unknown-ZZT-World-ZZT-v2-0-Registered-,
 kind = {ZZT World},
 note = {rev 5drra1z1kVzS3sBnGzQyC8ozyEkpcF},
 publisher = {Potomac Computer Systems},
 title = {ZZT v2.0 (Registered)},
 version = {rev 5drra1z1kVzS3sBnGzQyC8ozyEkpcF}
}