Leon, Alexis <br/><br/>
IBM mainframe handbook 
Leon, Alexis 
 - New Delhi:  Leonvikas,  2003. 
 - xiii, 991p.:  ill. 
<br/><br/> include index 
<br/><br/><label>ISBN: </label>8125914226 
<br/><br/><label>Subjects--Personal Names: </label>
<br/><br/><label>LC Class. No.: </label>QA76.8 .I12 L46 2003