As many serials, integrating resources, and cartographic materials are issued in electronic format, the needs of bibliographic agencies and users of bibliographic records are of concern to the IFLA Section on Cataloguing and other Sections that work with these materials. This paper will discuss the background for revisions taking place in the ISBDs, some terminology, the ISBD revision process and current activities, and issues related to electronic aspects of the resources. There are a number of issues in cataloguing continuing resources and cartographic materials that have been raised as a result of the need to describe electronic resources for these types of materials. Some of these issues have been resolved as the new ISBD for Serials an...