Again, FRBR is a CONCEPTUAL MODEL. It was never meant to provide concrete rules for every eventuality a cataloger will face.
The focus is on user tasks... http://www.loc.gov/cds/downloads/FRBR.PDF page 3
3 Matching Annotations
- Mar 2015
-
liswiki.org liswiki.org
-
-
inst-fs-iad-prod.inscloudgate.net inst-fs-iad-prod.inscloudgate.net
-
FRBR’s model shows us how important such role informa- tion is for performing user tasks and for assisting a user to navigate through the bibliographic universe
-
On Page 4...
The diagram shows that there is a gradation of variation for work move to a new work.
-