The Structure and Content of Molecular Clouds

Introduction: Radio and IR studies of molecular clouds.- The evolution of molecular clouds.- Interstellar chemistry in the last two decades.- Hunting oxygen in the interstellar medium.- Interstellar CNO isotope Ratios.- Angular structure and motions of interstellar masers.- Interpretations for observations of astronomical masers.- Molecular excitation and galactic interstellar clouds.- High resolution studies of molecular clouds.- Dense molecular gas in star-forming regions - The importance of submillimeter observations.- Conditions in regions of high mass star formation.- H2O masers and star formation.- Where is the heavy molecule heimat in Sgr B2?.- The relation between OB stars, H II regions & molecular clouds.- From cores to stars.- Surveying giant molecular clouds for low mass stars: NIR imaging of the DR22 and S184 regions.- The search for protostars - with dust emission as a tracer.- Molecular emission from disks around young stars.- Late type stars associated with maser emission.- Mapping the molecular emission of circumstellar envelopes with the Plateau de Bure interferometer.- High resolution studies of SiO masers.- Intergalactic cloud and protogalaxy? An unusual molecular complex.- Dense gas in galactic nuclei.- CO at high redshifts.