Ashdown, A. J. <br/><br/>
The design of prismatic structures / 
A. J. Ashdown. 
 - London :  Concrete Publications,  c 1958. 
 - vi, 85 p. :  ill. ;  23 cm. 
<br/><br/>311  311 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concrete construction.<br/>Roofs.
<br/><br/><label>Dewey Class. No.: </label>624.183 / A26d