MEETING WORKING PARTY PO/GT19. Postal Plannig, Copenhagen, 1989; CONFÉRENCE EUROPÉENNE DES ADMINISTRATIONS DES POSTES ET DES TÉLÉCOMMUNICATIONS
Copenhagen: CEPT, 1989
v. ; 30 cm
Vária
Conferências internacionais; Serviço-Postal
1989
Material Textual Impresso
ENG