id author title date pages extension mime words sentence flesch summary cache txt crl-14351 Ciliberti, Anne C.; Casserly, Mary F.; Hegg, Judith L.; Mitchell, Eugene S. Material Availability: A Study of Academic Library Performance 1987-11-01 15 .pdf application/pdf 6826 367 58 In addition to conducting the librarian observations of patron searches, the com- mittee was also responsible for analyzing the self-reported data. In contrast to document delivery tests, shelf availability studies measure the de- gree of accessibility for titles actually sought by library patrons. cache/crl-14351.pdf txt/crl-14351.txt