00379nam a22001337a 450000500170000000800410001702000080005804100080006608200180007410000210009224500760011326000460018930000100023520260711114946.0260711b        |||||||| |||| 00| 0 eng d  a000  aeng  a025.52bKAT/I  aKatz, William A.  aIntroduction To Reference Work: Reference Servicesc/by William A. Katz  aLondon:bMcGraw-Hill Book Company;c1969.  a254p.