Alexis Leon <br/><br/>
IBM Mainframe Hand Book 

 - New Delhi,  Vikas Publishing House:  2003. 
 - 684 
<br/><br/><label>ISBN: </label>8125914226 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science
<br/><br/><label>Dewey Class. No.: </label>001.642 LEO