Heiken, Grant. <br/><br/>
The seven hills of Rome :  a geological tour of the eternal city / 
Grant Heiken, Renato Funiciello, and Donatella De Rita. 
 - Princeton :  Princeton University Press,  [2005] 
 - 1 online resource (262 p.) :  ill., maps 
<br/><br/>Includes bibliographical references (pages 231-236) and index. 
<br/><br/><label>ISBN: </label>9780691130385 9781400849376 (e-book) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Italy--Rome--Guidebooks.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Rome (Italy)--Guidebooks.