The field description of igneous rocks/ 
Jerram,dougal 
 - 2nd.ed. 
 - UK:  John wiley & sons,  2011. 
 - 238 
<br/><br/><label>ISBN: </label>9780470022368 
<br/><br/><label>Dewey Class. No.: </label>552.1  / JER/F