Woods, Hubert. <br/><br/>
Observations on the resistance of concrete to freezing and -thawing / by Hubert Woods. 

 - Chicago : atories 
 - [21] p. 
 - Bulletin 67 / Portland Cement Association .
<br/><br/> Con: Discussion of a paper by Hubert Woods: Observations on- the resistance of concrete to freezing and thawing / by J.- E. Backstrom... [et al]