TY  - BOOK
AU  - Buys, Piet
AU  - Wheeler, David
AU  - Deichmann, Uwe
ED  - World Bank
TI  - Road network upgrading and overland trade expansion in Sub-Saharan Africa
T2  - World Bank policy research working papers
AV  - IBRD(08)PRWP 
PY  - 2006///
CY  - Washington, D.C.
PB  - World Bank
ER  -