Webb, Walter L.
Railroad construction: theory and practice/ Walter L. Webb - New York: John Wiley & Sons 1945. - 924 p.
logaritmos
ferrocarriles
ferrocarriles construcción
625.1 / W387r
Railroad construction: theory and practice/ Walter L. Webb - New York: John Wiley & Sons 1945. - 924 p.
logaritmos
ferrocarriles
ferrocarriles construcción
625.1 / W387r