Batch and serial numbers in Crystal Document Layouts

Hi,

I am attempting to write a set of document layouts using Crystal reports in Sap v8.82.

The stock items are either serial numbered items or batch numbered or none serial and batch number assign.

I need to display the serial numbers or batch numbers (if have) on the Delivery Note.

i'm cannot find a suitable link to the tables where the serial number/batch numbers are stored with the Good Receive PO site.

Does anyone know or have suggestions on how to link these (or other?)

Thanks in advance