Towards on environmentally sound and sustainable development 

 - New  York United Nations U S A    1992 
 - 214p.  cm. 
<br/><br/><label>Standard No.: </label>84742 
<br/><br/><label>Source: </label> Reference Collections 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engneering
<br/><br/><label>Dewey Class. No.: </label>"X9(D2):(G:55).4.N9, N2/UN"