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The fractal dimension Df versus projected area exponent 2Dα for DLCA (circles), BCCA (squares), DLA (triangles) and BPCA (diamonds) agglomerates and σg = 1-3. The broken line corresponds to Df = 2Dα. For cluster-cluster agglomerates 2Dα is always larger than Df, while particle-cluster agglomerates have a transition at Df ≈ 2.1 between σg = 1.5 and 2.
