Appendix B: Flux Units andLine Lists B.1 Infrared Flux Units B.1.1 Some History B.2 Formulae B.2.1 Converting Between Fν and Fλ B.2.2 Conversion Between Fluxes and Magnitudes B.2.3 Conversion Between Surface Brightness Units B.3 Look-up Tables B.4 Examples B.5 Infrared Line Lists