Index 6 7 8 9 10 11 12 13 14 15 6. Sales revenues 7. Segment reporting 8. Other operating income 9. Expenses for material and other purchased services 10. Personnel expenses 11. Depreciation, amortisation and impairments 12. Other operating expenses 13. Interest income 14. Other financial income 15. Income taxes Accounting and measurement principlesSales revenues
