A device and method of reproducing and/or recording data onto a write once recording medium, the recording medium having a data area and a management area, the data area having a spare area. The recording method include: performing a replacement-recording by recording data requested to be recorded in...http://www.google.de/patents/US7936649?utm_source=gb-gplus-sharePatent US7936649 - Method of managing overwrite and method of recording management information on an optical disc write once
