00313 a2200109 4500020001500000082001700015100001700032245007200049260004200121300002000163650002000183 a1843342340 a025.431bSAT aSatija, M.P. aThe therory and practice of the dewey decimal classification system aOxfordbChand and Companyc2007g2007 axix,206p.c23cm aLibrary science