Searles, W. H. (1895). The railroad spiral: The theory of the compound transition curve reduced to practical formule and rules for application in filed work ; with complete talbes of deflections and ordinates for five hundred spirals. New York : London: John Wiley & Sons, Chapman & Hall, Ltd..
Citación estilo ChicagoSearles, William H. The Railroad Spiral: The Theory of the Compound Transition Curve Reduced to Practical Formule and Rules for Application in Filed Work ; With Complete Talbes of Deflections and Ordinates for Five Hundred Spirals. New York : London: John Wiley & Sons, Chapman & Hall, Ltd., 1895.
Cita MLASearles, William H. The Railroad Spiral: The Theory of the Compound Transition Curve Reduced to Practical Formule and Rules for Application in Filed Work ; With Complete Talbes of Deflections and Ordinates for Five Hundred Spirals. New York : London: John Wiley & Sons, Chapman & Hall, Ltd., 1895.