Village technology handbook  
/ Vita  
 - USA:   Vita,   1973 
 - 387p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Subjects--Index Terms: </label>Technology  
<br/><br/><label>Universal Decimal Class. No.: </label>6(1-22)  / L5