Pocket data book, USA 1969 

 - Washington :  Government Printing,  1969 
 - 360 p.  : ilus. 
<br/><br/><label>LCCN: </label>39633 
<br/><br/><label>Subjects--Topical Terms: </label><br/>E.U.A.--Estadísticas.
<br/><br/><label>Dewey Class. No.: </label>317.3  / E9 1969