Calver, M.A. <br/><br/>
Paleogeography of Upper Westphalian deposits in NW Europe with reference to the Westphalian C North of the mobile variscan belt. With notes  Mededelingen 

 - 101 - 147 
 - Environnement .
<br/><br/><label>ISBN: </label>2-7384-2243-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic policy--Environmental aspects<br/>Environmental policy--Africa<br/>Human ecology--Africa<br/>Sustainable development--Africa
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Africa--Economic policy.