Appropriate technologies in civil engineering work in developing countries 

 - New  York United Nations USA      1976 
 - "vii, 64p."  cm. 
<br/><br/><label>Standard No.: </label>82725 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D1).1(X).N7, L6"