NAV to AX corresponding Tables

Hi Experts , can anyone help me to find the corresponding AX 2012 R3 tables for the below listed NAV 2009 tables ?

1) Cust_ Ledger Entry
2) Detailed Cust_ Ledg_ Entry
3) Sales Invoice Header
4) Sales Invoice Line
5) Sales Cr_Memo Header
6) Sales Cr_Memo Line