Video screenshots 00:0004:2508:5013:1617:4122:0726:3230:5735:2339:4844:1448:3953:0457:3001:01:5501:06:2101:10:4601:15:1101:19:3701:24:0201:28:2801:32:5301:37:1801:41:4401:46:09에 의해 출판 된 GregoriusPLK