Railvoad curves and earthwork /
Allen C. Frank.
Railvoad curves and earthwork / by Allen C. Frank. - Fourth edition, revised. - New York : London : Spon and Chamberlain ; E. & F. N. Spon, Limited, 1909. - XIII, 227 stron : ilustracje ; 18 cm.
51
Railvoad curves and earthwork / by Allen C. Frank. - Fourth edition, revised. - New York : London : Spon and Chamberlain ; E. & F. N. Spon, Limited, 1909. - XIII, 227 stron : ilustracje ; 18 cm.
51