00466nam a2200145Ia 4500020002200000082001700022100001900039245006900058250001200127260004200139300001300181440004800194504003600242650004200278  a978-81-7000-516-2  a025.49 CHA-L  aChan, Lois Mai 0aLibrary of congress subject headings: principles and application  a4th ed.  aNew DelhibEss Ess Publicationsc2007  axvi, 549  aLibrary and information science text series  aIncludes bibliography and index  aSubject headings, Library of Congress