World directory of fertilizer manufacturers 
/ The British Sulphur Corporation Ltd.,  
 - London:     The British Sulphur Corporation Ltd.,      1972 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>Subjects--Index Terms: </label>Agriculture 
<br/><br/><label>Universal Decimal Class. No.: </label>R 631.8.002.2(057.8)  / L2