Raptors roamed in packs
Hedberg, Pär, Jonason, Tommy, Henriksen, Egil, Lönnberg, Ingemar, Nilsson, Göran, Pehrsson, Kenneth, Ringqvist, IvarVolume:
196
Language:
english
Journal:
New Scientist
DOI:
10.1016/S0262-4079(07)62763-8
Date:
November, 2007
File:
PDF, 148 KB
english, 2007