Jet Emission.- Stellar Jets: Clues to the Process of Star and Planet Formation.- Measurement of Physical Conditions in Stellar Jets.- Adaptive Optics, and Space Observations Spectro-astrometry.- Basic Concepts and Parameters of Astronomical AO Systems.- IR Spectroscopy of Jets: Diagnostics and HAR Observations.- Observing YSO Jets with Adaptive Optics: Techniques and Main Results.- Spectro-astrometry: The Method, its Limitations, and Applications.- Observations of YSO Jets from Space: HST and Beyond.- Observations and Models of X-ray Emission from Jets of Infant Stars.- Interferometry: Technique and Applications.- Principles of Interferometry.- (Sub)mm Interferometry Applications in Star Formation Research.- Observing Young Stellar Objects with Very Large Telescope Interferometer.- Presentation of AMBER/VLTI Data Reduction.- High Angular Resolution Observations of Disks.
