1. Dealer Rating System at LC;Henshaw;Library Resources and Technical Services,1957
2. An Application of Davis' Model for a Vendor Study;Baumann;Library Acquisitions: Practice and Theory,1983
3. Model for a Vendor Study in a Manual or Semiautomated Acquisitions System;Davis;Library Acquisitions: Practice and Theory,1979
4. Baumann, “An Application of Davis' Model,” 90.
5. Davis, “Model for a Vendor Study,” 59.