Welcome to the BIBDIA Online-Public-Access-Catalogue.

The WWW-OPAC allows you to find and retrieve information from the library's online catalogue. 
This is done by filling out any of the three available query-entry-forms (QEFs) and submitting the query 
for execution.
As a result of the exeution, the system returns a list of short-titles, the short-titlelist.
The user can select any number of titles from that short-title list and then request the system 
to deliver the full-title information.

Using the WWW-OPAC system can be simplified as follows:

1. Choose one of the three available query-entry-forms.
   (Simple, Selective or Extended Query)
2. Execute the query.
3. View the returned short-title list. If the system doesn't return the expected result, go back 
   to the query-entry-form and provide other or more accurate information.
   Note:
   If you have problems specifying your query in one form, try out one of the others.
   All QEF have their unique advantages and drawbacks.
4. Mark the short-titles of interest and request the system to provide the full-title information.
5. Return to the short-title list, mark other titles as needed or return to the query-entry-form. 
   To proceed, choose one of the following query-entry-forms.
   The novice user should probably start with the Simple Query-Entry-Form.

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