Permanence  durabikity of the book -V    strength and other characteristics of book papers 1800 - 1899 

 - Richmond  W J Barrow Research Laboratory     1967 
 - 116p.  cm. 
<br/><br/><label>Standard No.: </label>280,473 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>2:98, K7.5