025.3
W746I
           Wilson, T D
               An Introduction to chain indexing \ T D Wilson - London : Clive Bingley, 1971.
               85p. - Programmed texts in library and information science series/ed by C B Batty .
                ISBN: 0-85157-109-3

80676
                Subjects: Chain indexing; Indexing; Automatic indexing.