Immers, Richard <br/><br/>
Inside Commodore Dos:  The Complete Guide to 1541 Disk Operating System/ 
Richard Immers and Gerald G. Neufeld 
 - 508p. :  ill. ;  24cm 
<br/><br/> Includes Index 
<br/><br/><label>ISBN: </label>0835930912 
<br/><br/><label>LC Class. No.: </label>QA75.5  / .I46 1984