00271nam a2200109Ia 4500082002400000100001700024245006000041260003700101300001300138500000500151700000500156  a025.40954bSh531.IS  aSharma, M.S.  aInternational standard book numbering system in Indiab  aNew DelhibSaraswati Booksc1987  ax, 189p.  a  a