id author title date pages extension mime words sentence flesch summary cache txt crl-13707 Sage, Charles; Klaas, Janet; Spalding, Helen H.; Robinson, Tracey A Queueing Study of Public Catalog Use 1981-07-01 9 .pdf application/pdf 5079 280 66 The ratio of serials catalog use to card catalog use (calculated from the means) is ap- proximately 60:40. If these correlations did indeed exist, we wanted to show how the value of card catalog use could be predicted from data collected in the circulation depart- ment and at library exit points. cache/crl-13707.pdf txt/crl-13707.txt