Simpson, Alan <br/><br/>
Understanding dBase IV 1.5 for DOS 

 - 3rd ed. 
 - New Delhi  BPB Publications  1993 
 - xiii,1002 p. 
<br/><br/><label>ISBN: </label> RS150 
<br/><br/><label>Dewey Class. No.: </label>005.369 S58U