Brown, Lester, et al. <br/><br/>
State of the World 1990 

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 - Worldwatch Institute, Washington  1990 
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 - .
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<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>330  BRO-S