Blake, Robert R.  1918-2004. <br/><br/>
The managerial grid / 
Blake & Mouton. 
 - Houston :  Gulf Pub.,  c1994. 
 - xvii, 350 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0884152529 
<br/><br/><label>LCCN: </label>93049440  
<br/><br/><label>LC Class. No.: </label>HD31 .B523 1994  / .B523 1994 
<br/><br/><label>Dewey Class. No.: </label>658.4