Spatial responses of two herbivore groups to a geometrid larva on mountain birch.Published in:Oecologia, 2003, v. 134, n. 2, p. 203, doi. 10.1007/s00442-002-1082-6By:Riihimäki, Janne;Kaitaniemi, Pekka;Ruohomäki, KaiPublication type:Article