Louis M. Dezettel <br/><br/>
RECORD CHANGERS : HOW THEY WORK 

 -  D. B. Taraporevala & Sons  1969/01/01 
 -  144 
<br/><br/><label>Source: </label> Purchase  Nil  K. K. R. Varma 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nil
<br/><br/><label>Dewey Class. No.: </label>621.38932