Platt John I <br/><br/>
Simple geological structures 
Platt John I; Challinor John 
 - London  Thomas Murby          1974 
 - 56p.  cm. 
<br/><br/><label>Standard No.: </label>49305 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Petrology<br/>Geology
<br/><br/><label>Dewey Class. No.: </label>H2, J6;L4