Patron driven access models for e-journals and e-books
PDA and PPV remain as popular topics at recent ER&L and NASIG conferences. Lisa Kurt and Erin Fisher at University of Nevada, Reno did a presentation at ER&L 2011 -- i.e., PDA/PPV models created out of financial necessity, criteria for PDA vs. PPV, catalog workflow, vendor models.
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Idea No. 23