Morse, P.M. Library effectiveness:a systems approach - The M.I.T.Press 1968 - vii,207 - Circulation Poisson distribution Markov process ISBN: 262 13038 6 = Morse, P.M. Standard No.: M Standard Tech. Report. No.: LCCN: B Nat. Bib. No.: 1651 Nat. Bib. Agency Control No.: 025.5 MOR Subjects--Topical Terms: Librarianship Universal Decimal Class. No.: 025.5