Perreault, J. M.,  1931-2001 <br/><br/>
Towards a theory for UDC :  essays aimed at structural understanding and operational improvement / 
J. M. Perreault 
 - London :  Clive Bingley,  1969 
 - 241 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label> Rs. 45.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification, Universal decimal
<br/><br/><label>Dewey Class. No.: </label>025.4