The overall level and structure of R & D efforts in OECD member countries. 

 - Paris,  OECD,  1967. 
 - 66 p.  24 cm. 
 - International statistical year for research and development,  1 .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research<br/>Gross national expenditure--OECD member countries
<br/><br/><label>Dewey Class. No.: </label>007  / OECD 3