A method of recording multiple segments of data on a high-density disc such as an optical disc when the recording of data is done on a non-continuous basis. The method comprises: recording first data in a first portion of the tracks on the disc; recording at least a first reference file associated with...http://www.google.de/patents/US4229808?utm_source=gb-gplus-sharePatent US4229808 - Method for recording multiple data segments on a storage disc with eccentricity factor