Aperçu gratuit du livre The Economic Theory of the Location of Railways: An Analysis of the Conditions Which Govern the Judicious Adjustment of Gradients, Curvature and Length of Line to Each Other and to the Character and Volume of Traffic
The Economic Theory of the Location of Railways: An Analysis of the Conditions Which Govern the Judicious Adjustment of Gradients, Curvature and Length of Line to Each Other and to the Character and Volume of Traffic