Clark, D. A. R. <br/><br/>
Materials and structures 
by D. A. R. Clark 
 - London :  Blackie and Son Limited,  1941 
 - 384 p. :  ill. ;  22 cm. 
<br/><br/>p. 379-380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bridge construction