00632nam a2200193Ia 4500001001000000003001000010005001700020008004100037020001500078040000900093082002000102100002100122245009800143264004300241300003300284490003600317650004300353700004200396000002319MX-MdCICY20260521090158.0240627s9999    xx            000 0 und d  a0126887209  cCICY04a025.52bT4 19811 aThomas, Diana M.10aThe effective reference librarian /cDiana M. Thomas, Ann T. Hinckley, Elizabeth R. Eisenbach31aNew York, NY :bAcademic Press, c1981  avii. 214 p. :bil. ;c23 cm.0 aLibrary and information science14aSERVICIOS DE REFERENCIASxBIBLIOTECAS.12aHinckley, AnnAdler, Rudolph, ecoaut.