@misc{unknown-ZZT-World-Z-Lab-2019,
 kind = {ZZT World},
 note = {rev 5du39JB61bFz6GEdLwcFjRJCFZRkNA},
 title = {Z Lab 2019},
 version = {rev 5du39JB61bFz6GEdLwcFjRJCFZRkNA}
}