00685nam a2200205 a 4500001001400000003000400014008004100018020002200059020002200081050001900103100002900122245006100151250001200212260003500224300000800259504005300267505008900320650003500409650003500444vtls000000422MTX960804s1992    nyu      b    00110 eng    a0070336385 (v. 1)  a0070336393 (v. 2)00aZ711bK32 19921 aKatz, William A.,d1924-10aIntroduction to Reference Work V.1-2 /cWilliam A. Katz.  a6th ed.  aNew York :bMcGraw-Hill,c1992  a2 v  aIncludes bibliographical references and indexes.0 av. 1. Basic information sources -- v. 2. Reference services and reference processes. 0aReference services (Libraries) 0aReference booksxBibliography.