1. Basics-Einführung-d.pdf 2. Basics-extractive-in-situ.pdf 3. Basics-ir-uv-vis.pdf 4. Basics-NOx-ir-cld.pdf 5. Basics-O2-1.pdf 6. Basics-O2-2.pdf 7. Basics-overview.pdf 8. Basics-tables1.pdf