TY  - BOOK
ED  - 
TI  - Complément au Guide prèliminaire du XVIIe Congrès de l`Union postale universelle
PY  - 1974///
CY  - Berna
PB  - Union Postale Universelle
KW  - Telecomunicaciones
KW  - Congresos y conferencias
KW  - Informes
N1  - Supplement to the Preliminary Guide to the 17th Congress of the Universal Postal Union
UR  - http://172.23.24.159/PDF/3001-4000/3447.pdf
ER  -