Transactions of the American Society of Civil Engineers, vol. LXVIII, Sept. 1910, Start/End Papers The New York Tunnel Extension of the Pennsylvania Railroad
Library, Documentation and Information Science Division,
Indian Statistical Institute,
203 B T Road, Kolkata 700108,
INDIA
Phone no. 91-33-2575 2100,
Fax no. 91-33-2578 1412,
ksatpathy@isical.ac.in