Età del ferro pre-romana: differenze tra le versioni

*Herwig Wolfram, ''Die Germanen'', Beck, 1999

*Ove Eriksson , B, Sara, O. Cousins e Hans Henrik Bruun, "Land-use history and fragmentation of traditionally managed grasslands in Scandinavia" ''Journal of Vegetation Science'', pag. 743–748, ([http://www.bioone.org/perlserv/?request=get-document&issn=1100-9233&volume=013&issue=05&page=0743 On-line])

 

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