Books by Michael Lach:
Books in the extended shelves:
![[X-Info]](https://onlinebooks.library.upenn.edu/infouc.gif)
Lach, Michael: System migration in ARL libraries (Association of Research Libraries, Office of Management Services, 1992), also by Ling-yuh W. Pattie and Association of Research Libraries Systems and Procedures Exchange Center (page images at HathiTrust)
Find more by Michael Lach at your library, or elsewhere.