Shepherd, Walter <br/><br/>
Flint : its origin, properties and uses 

 - London  Faber and Faber Ltd.  1972 
 - xxxii,255p.  23cm. 
<br/><br/><label>ISBN: </label>0-571-09926-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Flint
<br/><br/><label>LC Class. No.: </label>QE391.Q2S53