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1. Continue with current practice (linking format change via 780/785 fields) but come up with a defined way of indicating to the user that this is a format change. This could be done through a note in |i ("relationship information") or |n ("note"), or through some other method.
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2. Restrict the use of 78x fields to "work-level" changes in the title only, and use 776 fields (Additional Physical Form Entry) exclusively when recording the appearance or existence of a title in another format. |
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When a title originally issued in one format begins or is discovered to be issued in another format, the cataloger should create a record for the title under its new format, and connect the two with reciprocal 776 fields. First indicator: 0 (display note); second: 8 (no display constant). Add a note in subfield i (Relationship information (R)) to indicate the format of the record that the 776 is targeting. If known, add chronological designations of the span of publication in the targeted record in $d (Place, publisher, and date of publication (NR)). |
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{{245:00: $a Bulletin of the atomic scientists. |
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{{776:08: $i Online version: $t Bulletin of the atomic scientists $x 1938-3282 $w (DLC) 2006238205 $w (OCoLC)37476498 |
37476498}}
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{{245:00:$a Bulletin of the atomic scientists \[electronic resource |
.\].}}
{{776:08: $i Print version, -2008: $a Bulletin of the atomic scientists $d 1946-2008 $x 0096-3402 $w (DLC) 48034039 $w (OCoLC)1242732}}
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3. Use MARC field 787 (Other Relationship Entry) when recording the appearance or existence of a title in another format.