id author title date pages extension mime words sentence flesch summary cache txt ital-2925 Chapin, Richard E.; Pretzer, Dale H. Comparative Costs of Converting Shelf List Records to Machine Readable Form 1968-03-01 9 .pdf application/pdf 3244 230 69 Cost figures for converting library records are scarce. The use of paper-tape typewriter for conversion costs more than the other two methods. 3. cache/ital-2925.pdf txt/ital-2925.txt