You might want to look at
http://www.base2.org/projects/patc/index.html
kevin
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Kevin Kierans, Manager of Library and Support Services
Thompson-Nicola Regional District Library System
Kamloops, B.C. CANADA V2C 2A9 (250)374-8866
mailto:kkierans at tnrdlib.bc.ca http://www.tnrdlib.bc.ca/