Simpson, Alan <br/><br/>
Best book of DOS 

 - USA:   Howard W. Sams & Company,   1989 
 - xxvi, 643p. 
<br/><br/><label>ISBN: </label>0672226804 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3.066 DOS  / M9