A study reported in 1982 at Brock University Library (Canada) concerning periodical losses and mutilation during the period 1972 through 1981 based on a sample of 106 titles showed thatin the 10 years prior to installation of an electronic security system (although a manual check of bags and briefcases at the exit was in force) the library lost 5.73% of the issues received (718 issues out of 12,536 issues received). In the 2 years subsequent to the installation of an electronic security system, the periodical loss rate dropped to 2.54% and 3.90% of the periodical issues received each year. However, if the temporarily missing issues are included, the figures rose to 4.77% and 5.46% each year.                    (Source)

Dr. David Kohl

 "Libraries in the digital age are experiencing the most profound transformation since ancient Mesopotamian scribes first began gathering and organizing cuneiform tablets."

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