change log for P0524992 (close)

datetimeuserobjecttablefieldtypeoldnew
2015-10-2018:18:38Felber, Volker 8555 Schach-Echo 18, p. 287, 09/1975 refsrc number  update8535 8555 
2015-10-2018:18:26Felber, Volker 8535 Schach-Echo 18, p. 287, 09/1975 refsrc page  update 287 
2015-10-2018:18:26Felber, Volker 8535 Schach-Echo 18, p. 287, 09/1975 refsrc sourceno  update 18