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  • × author_ss:"Bertha, E."
  1. Bertha, E.; Schwarz, E.J.: Hypermedia in the library : design guidelines based on assessment tests (1992) 0.01 
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  2. Bertha, E.: Inter- and intrabibliographical relationships : a concept for a hypercatalog (1993) 0.00 
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    Abstract
    Most cataloging codes enable users to locate a well defined 'bibliographic unit' easily, but they do not allow them to 'literary units' without any problem. That all manifestations of a work should be gathered and displayed in physical proximity would need a change in the philosophy of cataloging. A mechanism to collocate various manifestations of a work can be based on bibliographic relationships for establishing links between the units concerned. Investigations show that these relationships between bibliographic units are analogous to the relationships between descriptors in a thesaurus. Therefore, concepts and experiences of handling the structure of a thesaurus can be applied in setting up an extended catalog with linked bibliographic units. International bibliographic numbers such as ISBN, ISSN, BIBLID, SICI, ISRN are recommended for the unique identification of the bibliographic units. For the implementation of such a system it is sufficient to define only the relationship between two bibliographic units. All other links can be generated by the system itself because of the characteristics of the relationships. A hypertext system is able to offer an appropriate interface tp present these links. Then the end user selects related publications merely by clicking one of the following features: additional copies; variant editions; translations; predecessor or successor publications; parent or part publications; secondary literature