00377nam a22001097a 4500008004100000082000800041100002100049245010100070260004400171300001700215650003500232100723t        xxu||||| |||| 00| 0 eng d  a0261 aWalker, J. R. A.  aInformation bulletins in special libraries:bbackground, problems and practice/cJ. R. A. Walker  aLondon:bThe Library Association,c1966  aviii, 128 p.  aLibrary SciencexLibrarianship