Advisory committee on the application of science and technology to development   Ninth report May 1972. 

 - New  York U.N.        1972 
 - iii; 27p.  cm. 
 - Supplement no.8 .
<br/><br/><label>Standard No.: </label>171836 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"V1N45,93:3(A0aF).N72r, L2-8/UN"