Roebroeks, Wil. <br/><br/>
Dense Forest, Cold steppes, and the palaeolithic sttlement of Northern Europe. 

 - Chicago-US :   Department of Human Sciences,   1992. 
 - p. 551-586 :   il. 
 - Trimestral 
 - Vol.33, no. 5 (Dec. 1992) 
 - Current Anthropolgy ;   vol. 33, no. 5 .
 - Estados Unidos.   The University of Chicago Press. .
<br/><br/><br/>Inglés.