Chemical information systems  

 - London:   Ellis Horwood Limited,   1975 
 - 309p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemistry 
<br/><br/><label>Subjects--Index Terms: </label>Information  
<br/><br/><label>Universal Decimal Class. No.: </label>R 54:025.5  / L5