.DATA_ELEMENT: Copy_Id
.DATA_TYPE...: ©_id
.CHAR_30_NAME: copy_id
.DESCRIPTION.:
The identifier of a particular copy of an item.
.BackwardReferences:
see CLASS Copy
see CLASS Item
see CLASS Loan
see EVENT Acquire_Copy
see EVENT Dispose_Copy
see EVENT End_Loan
see EVENT Go_To_Rebind
see EVENT Renew_Loan
see EVENT Return_From_Rebind
see EVENT Start_Loan