MARC field 856 is used to record information needed to locate and access an electronic resource. The first indicator value identifies the access method (e.g., HTTP, FTP, email). The second indicator identifies the relationship between the resource that the bibliographic record represents and the electronic resource at the web location or identifier in the 856 field. Information in the field should be sufficient to connect to a service, transfer files electronically, subscribe, or access issues of an electronic journal or newsletter. (CCM:31.14.1)
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