Permanence and durability of the book - II   : test data of naturally aged papers 

 - Richmond  : W. J. Barrow Research Laboratory,  1964 
 - 79p.  : ill.  ; 24cm. 
 - (Permanence/durability of the book); 2 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research report<br/>Testing<br/>Book industries and trade<br/>Standards
<br/><br/><label>LC Class. No.: </label>Z247.B3 No.2