More specifically: (3)

Electronic resources often include components with characteristics found in multiple classes of materials so there will frequently be a need to consult other chapters. For example, in describing a serially-issued cartographic electronic resource, use chapters 3, 9, and 12.

Electronic resources often include components with characteristics found in multiple classes of materials so there will frequently be a need to consult other chapters. For example, in describing a serially-issued cartographic electronic resource, use chapters 3, 9, and 12.