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Kolb, Georg Friedrich (1800-1884).Guide to comparative statistics G.F.Colba / Per.and add.Ed.[And with pre-following] A. Korsaka.T. 1-2.- St. Petersburg: N. Tiblen, 1862-1865.-2 t .;23. -.I. Korsak, Alexander Kazimirovich (1832-1874).Electronic Source: PBT. 1. - 1862. - [8], XX, [2], 294 p.: Tab .. -Bibliogr.in a substrateNote.in preface..Electronic Source: PB