Martin, L. D. <br/><br/>
Prefabricated structural members for cut and cover tunnels / 
by L. D. Martin, S. A. Gill and N. L. Scott 
 - Washington, D.C. :  U.S. Government Printing Office,  1977- 
 - v. :  maps., fig. ;  28 cm. 
<br/><br/> Report no. FHWA-RD 76-113  Library has vol.1 
<br/><br/>Vol.1. Design concepts 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Structural analysis (Engineering)
<br/><br/><label>Dewey Class. No.: </label>624.17