The document discusses the German and Austrian implementation of the MARC 21 standard for bibliographic data exchange. It outlines goals of internationalization and interoperability. It describes the data models used for multi-volume works and serials. Record linking is explained using control numbers and textual information. Local element additions are specified. Practices for non-sorting name fields, ISBD punctuation, and sample records/documentation are also covered. The implementation aims to balance standard compliance with flexibility for local needs and practices.

1. The German and Austrian Version of MARC 21: Standard Compliance, Flexibility, and Implementations Reinhold Heuvelmann

3. Introduction