Ludwig, Allen C. <br/><br/>
Impregnation of concrete pipe for corrosion resistance and strength / 
by Allen C. Ludwig 
 - Washington, D.C. :  United States Government Printing Office,  1980 
 - x, 50 p. ;  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Corrosion and anti-corrosives<br/>Corrosion
<br/><br/><label>Dewey Class. No.: </label>628.16708