Product_identification_extension

du	External_identification_item
eu	External_item_identification
eu	External_source_identification
e	Externally_defined_view_definition
e	Library_view_definition
d	Pie_external_identification_item
eu	Product
eu	Product_category
eu	Product_category_assignment
eu	Product_category_hierarchy
eu	Product_version
eu	Product_view_definition
eu	View_definition_context