Brainerd John W <br/><br/>
Working with nature   A practical guide    

 - New York  Oxford University Press         1973 
 - 517p  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ECONOMICS
<br/><br/><label>Dewey Class. No.: </label>X:(G:55), L3