Sørensen, Bent <br/><br/>
A history of energy :  Northern Europe from the stone age to the present day / 
Bent Sørensen 
 - New York :  Earthscan,  c2011 
 - x, 540 p. :  ill. (some col.), maps ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9781849713849 1849713847 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Power resources--Social aspects--History--Europe, Northern<br/>Power resources--History--Denmark<br/>Power resources--Environmental aspects--History--Europe, Northern<br/>Power resources--Environmental aspects--History--Denmark<br/>Human ecology--History--Europe, Northern<br/>Human ecology--History--Denmark