CEN/TS 15511 [documento electrónico] : postal services: quality of service: information available on postal services / European Committee for Standardization
Postal services [documento electrónico] : automatic identification of receptacles and containers: mail aggregates: CEN/TS 14441: March 2003 / European Committee for Standardization
CEN/TS 14482 [documento electrónico] : postal services: trays for international letter mail: test methods and performance requirements / European Committee for Standardization
Postal services [documento electrónico] : automated processing of mail items: address block locator: CEN/TS 14567: January 2004 / European Committee for Standardization