Lewis, David W.2013-06-192013-06-192013-06-19https://hdl.handle.net/1805/3344https://doi.org/10.7912/C2T64GThis short working paper recounts the story of the invention of the Patron-Driven Acquisition (PDA) model for e-books by David W. Lewis and Scott Doan at the 1999 ACRL conference in Detroit.en-USe-BooksPDAPatron-Driven AcquisitionsElectronic booksPatron-driven acquisitions (Libraries)Working Paper10.7912/C2T64G