Slack A V <br/><br/>
Chemistry and technology of fertilizers 
Slack A V 
 -  1966 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil Industry
<br/><br/><label>Dewey Class. No.: </label>X9(J:24), K6