TY - BOOK AU - Huybrechts,A TI - Transports & struct.dévt.au Congo.Et.du progrs économ.1900-1970(Rech.Afric.,Inst.Rech.Econom.& Soc.,Univ.Lovanium,Kinsha PY - 1970/// PB - aris,La Haye,IRES,Mouton,XX+418pp. ER -