SAP ABAP Table STR_BZ (Reference links between itemnumber) is using

• Data Element (11)
• Table (2)

#	Object Type	Object Name	Object Description	Note
1	Data Element	J_1BBASE	Base amount
2	Data Element	J_1BEXCBAS	Excluded base amount
3	Data Element	J_1BITMNUM	Document Item Number
4	Data Element	J_1BOTHBAS	Other base amount
5	Data Element	J_1BTAXVAL	Tax value
6	Data Element	LFBNR	Document number of a reference document
7	Data Element	LFGJA	Fiscal Year of Current Period
8	Data Element	LFPOS	Item of a reference document
9	Data Element	RBLGP	Document Item in Invoice Document
10	Data Element	RBLGP	Document Item in Invoice Document
11	Data Element	WRBTR	Amount in document currency