025.43
S456N
           Sehgal, R L
               Number building in dewey decimal classification universal decimal classification and colon classification \ R L Sehgal - New Delhi : Ess Ess, 1993.
               V.p+tab
                ISBN: 81-7000-153-6

132668
                Subjects: Library Science; Classification-Books; Classification, Colon; Classification, Dewey decimal; Classification, Universal decimal.