Lavis, F. Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154.
Chicago-viite (17. p.)Lavis, F. Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154.
MLA-viite (9. p.)Lavis, F. Transactions of the American Society of Civil Engineers, Vol. LXVIII, Sept. 1910 The Bergen Hill Tunnels. Paper No. 1154.
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