We present a study of the two-point correlation function ξ(r) of superclusters of galaxies. The largest catalogs are used. The results show negligible correlation |ξ| 0.1-0.2 for separations up to (500-600) h-1 Mpc. Small correlations are obtained using various estimates and samples. It seems that there are no structures of superclusters of galaxies.
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