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- [2] Principles of inland transportation JOURNAL OF LAND AND PUBLIC UTILITY ECONOMICS, 1929, 5 (02): : 220 - 220
- [3] Principles of Inland Transportation ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1929, 141 : 271 - 272
- [7] Principles of Inland Transportation ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1934, 174 : 265 - 266