Ragan, Donal M. <br/><br/>
Structural geology  An introduction to geometrical techniques / 

 - 4th ed. 
 - Delhi :  Cambridge University Press ,  2009. 
 - xvi+602p 
<br/><br/><label>ISBN: </label>9780521745833 
<br/><br/><label>Subjects--Index Terms: </label>Structural Geology