Research centers directory. 

 - 38th. 
 - Detroit, Mich. :  Gale Research Co  2009 
 - v. ;  29 cm. 
<br/><br/> Closed. 
<br/><br/><label>LCCN: </label>6014807  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--United STates.--Directories.<br/>United States.--Learned institutins and societies--Periodicals.