TY - BOOK TI - Report of the eighty-eighth round table on transport economics held in Paris on 13th-14th june 1991 on the following topic: structural changes in population and impact on passenger transport SN - 92-821-1164-4 AV - HE242 R46 PY - 0000///199u CY - Paris PB - European Conference of Ministers of Transport N1 - Incluye bibliografia ER -