Sansalone, Mary. <br/><br/>
Impact-echo :  non-destructive evaluation of concrete and masonry / 
Mary J. Sansalone, William B. Streett. 
 - Ithaca, N.Y. :  Bullbrier Press,  c1997. 
 - 339 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0961261064 (alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Concrete--Testing.<br/>Nondestructive testing.<br/>Masonry--Testing.
<br/><br/><label>Dewey Class. No.: </label>620.1367 SAN