TY  - BOOK
AU  - Um, Paul Noumba and others
AU  - 
TI  - A model for calculating interconnection costs in telecommunications
SN  - 0821356712
U1  - CD122 
PY  - 2004///
CY  - Washington
PB  - World Bank
N1  - "Received with the Book" DP26932
ER  -