Hayward Herman E <br/><br/>
Structure of economic plants 
Hayward Herman E 
 - New York       Macmillan          1948 
 - x, 674p.  cm. 
<br/><br/><label>Standard No.: </label>52939 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:(I:2), H8;1