Madan, Som Nath <br/><br/>
Computer and library services 
/ Som Nath Madan 
 - Delhi  Commonwealth publishers  1987 
 - xi, 192 p. 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>8190002627 
<br/><br/><label>Dewey Class. No.: </label>25.04  / MAD