Osvald, Hugo <br/><br/>
Earth can feed us  

 - London:   George Allen & Unwin Ltd,   1963 
 - 141p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture 
<br/><br/><label>Subjects--Index Terms: </label>Food Production  Cultivated Land  
<br/><br/><label>Universal Decimal Class. No.: </label>63  / K6