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[1] Example from UC Irvine Law: 65 CDs that come with regularly-updated legal materials have the value “CD-ROM” in
"Physical Items"."Physical Item Details"."Material Type"
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= “CD-ROM” and
"Physical Items"."Bibliographic Details"."Resource Type
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” = “Book - Physical” or “Other Serial - Physical”
Overall, however, the number of mis-matches is small. On the whole UC Irvine campus, for example, only ~315 CD-ROM items have an incorrect Resource Type of "Bibliographic Details". "Resource Type” or value of “Book - Electronic” or “Book - Physical”. In a system with millions of Electronic and Physical books, these differences are not significant.
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