Literature Searching Service:
There are occasions when users want to know "everything that has been published" on a subject. The most important reason is that they want to know the state-of-the-art before ' undertaking a new research project. Such information need can be satisfied by undertaking a comprehensive search in bibliographies - the indexing and abstracting publications: This is known as literature searching. The structure and arrangement of these secondary publications facilitate undertaking comprehensive literature search. A comprehensive literature search can be done very fast using online databases. Many libraries now provide literature search service. Before initiating a search for the user it is essential that the searcher understands what the user wants. Understanding what he wants is critical in literature searching, in view of the time usually needed for literature searches.