Report of the intergovernmental committee on science and technology for development. 

 - New  York UN        1981 
 - "iv,49p."  cm. 
<br/><br/><label>Standard No.: </label>184573 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Dewey Class. No.: </label>"V1N45,93:3(AoaF.N81r, M1/UN"