01557nam 2200457Ia 450 991071114910332120180711121000.0GOVPUB-C13-151c2b5ef973456bb12edf33d6d3a755(CKB)5470000002480520(OCoLC)959982786(OCoLC)995470000002480520(EXLCZ)99547000000248052020161006d1952 ua 0engtxtrdacontentcrdamediacrrdacarrierSome relations among the blocks of symmetrical group divisible designs /W.S. ConnorGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1952.1 online resourceNBS report ;16021952.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Combinatorial analysisCombinatorial analysisfastCombinatorial analysis.Combinatorial analysis.Connor W. S1387962Connor W. S1387962United States.National Bureau of Standards.NBSNBSOCLCOOCLCFOCLCQBOOK9910711149103321Some relations among the blocks of symmetrical group divisible designs3498948UNINA