Perreault, Jean M.,  1931- <br/><br/>
An introduction to UDC/ 
Jean M. Perreault. 
 - London :  Bingley,  1969. 
 - 111 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0851570860 
<br/><br/><label>LCCN: </label>70-454654 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Universal decimal--Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>025.43