Voelcker, John Augustus. <br/><br/>
The valuation of unexhausted manures obtained by the consumption of foods by stock. 
by J. Augustus Voelcker and A. D. Hall. 
 - London,  J. Murray,  1903. 
 - 41 p.  3 diagr.  22 cm. 
<br/><br/> "From the Journal of the Royal Agricultural Society of England, vol. 63, 1902, p. 76-114." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>agr03000730  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizers--Economic aspects.<br/>Farm manure.
<br/><br/><label>LC Class. No.: </label>S639  / .V87