Groves, A. W. <br/><br/>
Gypsum and anhydrite 
A. W. Groves 
 - London  HMSO  1958 
 - 108p.  25cm. 
 - Overseas geological surveys .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Gypsum<br/> Anhydrite
<br/><br/><label>LC Class. No.: </label>TN946.G86