00280nam a2200097 a 450000500170000010000170001724500910003426000300012530000120015570000150016720251203090657.0  aBagley, D.E.  aAutomation in a polytechnic library 15 years development at hatfield, D.E.Bagley, eng.  aLibrary Associationc1983  aiv,77p.  aOyston, E.