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Article Contents

ABSTRACT

1.INTRODUCTION: INFRARED EMISSION PROCESSES

1.1.Mid-infrared bands and transient heating

1.2.Continuum emission

1.3.Infrared lines

1.4.Active sources

2.THE INTERSTELLAR MEDIUM IN GALACTIC DISKS

2.1.Cold dust and the total amount of dust

2.2.Spatial distribution of the IR emission

2.3.Heating sources

3.STARBURSTS IN THE INFRARED

3.1.Spectral energy distributions of starburst galaxies

3.2.Star formation in high IR luminosity galaxies

3.3.The [CII] deficit

4.ACTIVE GALAXIES

4.1.Unification scheme and ISO observations

4.2.IR lines in Seyfert galaxies and the Big Blue Bump

4.3.Spectral characteristics of active galaxies

5.MID-INFRARED DIAGNOSTICS TO IDENTIFY THE NATURE OF GALAXIES

6.DEEP SURVEYS

6.1.MIR templates and K correction effects

6.2.The surveyed regions

6.3.The nature of the ISOCAM 15m galaxies in a CFRS field nd in HDF-North

6.4.Source counts at 15m

6.5.Source counts at 175m

REFERENCES