Links Some useful links for microwave spectroscopists: INSTITUTIONSUniversidad de Valladolid (UVa)Facultad de Ciencias, UVa Real Sociedad Española de Química (RSEQ)Grupo Especializado en Física Atómica y Molecular (GEFAM)International Union of Pure and Applied Chemistry (IUPAC) Dpto. Química Física, Universidad de Castilla – La Mancha (UCLM) SYMPOSIA AND CONFERENCES International Symposium on Molecular Spectroscopy (ISMS)International Conference on High Resolution Molecular SpectroscopyConference on Isolated Biomolecules and Biomolecular Interactions (IBBI)Horizons in Hydrogen Bond ResearchJornadas de Jóvenes Investigadores en Física Atómica y Molecular (j2ifam) SOFTWARE AND MOREProgrames for ROtational SPEctroscopy (PROSPE)SPFIT/SPCATAUTOFIT JB95 Sprectal fitting program CHEMICAL AND SPECTROSCOPIC DATABASESNIST Chemistry webBookNIST Recommended Rest Frequencies for Observed Interstellar Molecular Microwave TransitionsCologne Database for Molecular SpectroscopyToyama Microwave atlas for espectroscopists and astronomersSplatalogue database for astronomical spectroscopyMolecular Spectral Databases DIVULGATION Real Sociedad Española de Química (RSEQ)Museo Nacional de Ciencias Naturales (MNCN)Museo de la Ciencia de Valladolid Foro Química y Sociedad