Brady, Edward L. <br/><br/>
National standard reference data system  plan of operation 
by Edward L.Brady, Merrill B. Wallenstein. 
 - Washington  NBS  1964 
 - 12p. 
 - National Standard Refernece Data series .
<br/><br/><label>LCCN: </label>64-62987 
<br/><br/><label>Dewey Class. No.: </label>506.072073  / N64