Satija, M P . Dewey decimal classification : editions 19 (1979) to edition 23 (2011) / by M P Satija. - Delhi : Ess Ess Publications , 2013 - xxii, 210p : ISBN: 978-81-7000-682-4 Subjects--Topical Terms: Dewey decimal classification (DDC 19 edition to 23 edition) Dewey Class. No.: 2:12 / Q3