00421nam a2200157Ia 4500003000400000005001700004008004100021020001500062040000900077082001900086100001200105245006900117260004600186300000900232650002200241OSt20201207104155.0190216s9999||||xx |||||||||||||| ||und||  a8120712560  coclc  a025.432bBOS/U  aBose, H 0aUniversal Decimal Classification : Theory And Practice /cH Bose  bSterling Publications,c1990.aNew Delhi:  a192p  aGeneral Libraries