Roth Lawrence,O.harry Field <br/><br/>
An Introduction to Agricultural engineering:A Problem Solving Approach 

 - 2nd ed. 
 - New York  Van Nostrand Reinhold..  1991 
 - vi,346p. 
<br/><br/><label>ISBN: </label>442006519 
<br/><br/><label>Dewey Class. No.: </label>630