Wells, Eric.  <br/><br/>
Microsoft Excel 97 :   Developer's Handbook /   1 t. 
Wells Eric, Harshbarger Steve. 
 - Redmond, Washington :   Microsoft Press,   1997. 
 - XXVI, 623 s:   il.;   23 cm. 
<br/><br/><label>ISBN: </label>1572313595