Bier,P.J. <br/><br/>
Welded steel penstocks design and construction 

 - Denver Federal Center  Colorado  1949 
 - 39p.  ILL.,Fig.,Chart and Table 
 - Engineering Monographs No  3 .
<br/><br/><label>Nat. Bib. No.: </label>3191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>621.791  / BIE