Universal postal convention : together with final protocol and detailed regulations.
- London : Her Majesty's Stationery Office , 1973
- 378p. : ill. ; 23 cm.
- Text is in French and English. "This convention has not been approved by the Government of the United Kingdom" .
0101535708
Postal services
Postal conventions
Constitutions
383 / UPU
0101535708
Postal services
Postal conventions
Constitutions
383 / UPU