Upgrade BI from 7.0 to 7.3

Hello

I wander about upgrade BI from 7.0 to 7.3 documentation. On SMP there are seveal guides i.e.

Update of SAP Systems Using Software Update Manager 1.0 SP07,

Upgrade Guide SAP NetWeaver 7.3 ABAP+Java

beside

Upgrade Master Guide

SAP Enhancement Package 1 for NetWeaver 7.3

which of first two to use

Thank you in advance

Jan