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Organisation for Economic Co-operation and Development
751
Commission of the European Communities
683
Statistical Office of the European Communities
584
United Nations Economic Commission for Europe
570
Council of Europe
539
ebrary, Inc
529
European Commission
466
European Conference of Ministers of Transport
372
ProQuest (Firm)
291
De Gruyter
268
European Foundation for the Improvement of Living and Working Conditions
264
Organisation for European Economic Co-operation
264
National Bureau of Economic Research
236
Round Table on Transport Economics Paris, France
219
European Centre for the Development of Vocational Training
169
European Conference of Ministers of Transport Economic Research Centre
163
Taylor & Francis
157
European Coal and Steel Community High Authority
153
European Commission Directorate-General for Economic and Financial Affairs
147
International Monetary Fund
142
Office for Official Publications of the European Communities
130
Centre for European Policy Studies (Brussels, Belgium)
117
Frost & Sullivan
114
European Trade Union Institute
95
Economist Intelligence Unit (Great Britain)
90
International Labour Office
89
United States Congress. Senate. Committee on Foreign Relations
85
European Committee on Crime Problems
84
Taylor & Francis eBooks
84
United States Congress. House. Committee on Foreign Affairs
82
American Council of Learned Societies
78
European Free Trade Association
76
Alumni and Friends Memorial Book Fund
73
International Monetary Fund European Department
70
European Court of Auditors
69
European Economic Community Commission
69
Food and Agriculture Organization of the United Nations
69
World Bank
68
Constance L. Rosenthal Book Fund
67
ProQuest ebook central
66
Commission of the European Communities Directorate-General for Economic and Financial Affairs
65
Centre for Economic Policy Research (Great Britain)
63
Cambridge University Press
60
European Commission Directorate-General Transport
60
European Economic Community
60
United States Bureau of Foreign and Domestic Commerce
60
United States Congress. House. Committee on Foreign Affairs. Subcommittee on Europe and the Middle East
60
Welfens, Paul J. J
57
Business International S.A
54
European Commission Directorate-General for Energy and Transport
54
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