Massive settlements of the Pacific oyster, Crassostrea gigas, in Scandinavia - Anna-Lisa Wrange; Johanna Valero; Lisbeth S. Harkestad; Øivind Strand; Susanne Lindegarth; Helle Torp Christensen; Per Dolmer; Per Sand Kristensen; Stein Mortensen (Biological Invasions, 2010)